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dict
Count how many prime numbers there are between 5154 and 9342 (inclusive) ?
469
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9342, "n": [ 5154, 9342 ], "primes": [ 5167, 5171, 5179, 5189, 5197, 5209, 5227, 5231, 5233, 5237, 5261, 5273, 5279, 5281, 5297, 5303, 5309, 5323, 5333, 5...
Count how many prime numbers there are between 1627 and 4557 (inclusive) ?
360
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 4557, "n": [ 1627, 4557 ], "primes": [ 1627, 1637, 1657, 1663, 1667, 1669, 1693, 1697, 1699, 1709, 1721, 1723, 1733, 1741, 1747, 1753, 1759, 1777, 1783, 1...
Count how many prime numbers there are between 5993 and 7346 (inclusive) ?
152
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7346, "n": [ 5993, 7346 ], "primes": [ 6007, 6011, 6029, 6037, 6043, 6047, 6053, 6067, 6073, 6079, 6089, 6091, 6101, 6113, 6121, 6131, 6133, 6143, 6151, 6...
Count how many prime numbers there are between 339 and 2674 (inclusive) ?
319
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 2674, "n": [ 339, 2674 ], "primes": [ 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463...
Count how many prime numbers there are between 397 and 1750 (inclusive) ?
195
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 1750, "n": [ 397, 1750 ], "primes": [ 397, 401, 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523...
Count how many prime numbers there are between 1341 and 5648 (inclusive) ?
525
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 5648, "n": [ 1341, 5648 ], "primes": [ 1361, 1367, 1373, 1381, 1399, 1409, 1423, 1427, 1429, 1433, 1439, 1447, 1451, 1453, 1459, 1471, 1481, 1483, 1487, 1...
Count how many prime numbers there are between 6537 and 9084 (inclusive) ?
283
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9084, "n": [ 6537, 9084 ], "primes": [ 6547, 6551, 6553, 6563, 6569, 6571, 6577, 6581, 6599, 6607, 6619, 6637, 6653, 6659, 6661, 6673, 6679, 6689, 6691, 6...
Count how many prime numbers there are between 7161 and 8912 (inclusive) ?
192
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8912, "n": [ 7161, 8912 ], "primes": [ 7177, 7187, 7193, 7207, 7211, 7213, 7219, 7229, 7237, 7243, 7247, 7253, 7283, 7297, 7307, 7309, 7321, 7331, 7333, 7...
Count how many prime numbers there are between 2570 and 3228 (inclusive) ?
81
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 3228, "n": [ 2570, 3228 ], "primes": [ 2579, 2591, 2593, 2609, 2617, 2621, 2633, 2647, 2657, 2659, 2663, 2671, 2677, 2683, 2687, 2689, 2693, 2699, 2707, 2...
Count how many prime numbers there are between 5356 and 8027 (inclusive) ?
302
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8027, "n": [ 5356, 8027 ], "primes": [ 5381, 5387, 5393, 5399, 5407, 5413, 5417, 5419, 5431, 5437, 5441, 5443, 5449, 5471, 5477, 5479, 5483, 5501, 5503, 5...
Count how many prime numbers there are between 4628 and 6482 (inclusive) ?
217
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6482, "n": [ 4628, 6482 ], "primes": [ 4637, 4639, 4643, 4649, 4651, 4657, 4663, 4673, 4679, 4691, 4703, 4721, 4723, 4729, 4733, 4751, 4759, 4783, 4787, 4...
Count how many prime numbers there are between 1253 and 5577 (inclusive) ?
532
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 5577, "n": [ 1253, 5577 ], "primes": [ 1259, 1277, 1279, 1283, 1289, 1291, 1297, 1301, 1303, 1307, 1319, 1321, 1327, 1361, 1367, 1373, 1381, 1399, 1409, 1...
Count how many prime numbers there are between 1506 and 5490 (inclusive) ?
486
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 5490, "n": [ 1506, 5490 ], "primes": [ 1511, 1523, 1531, 1543, 1549, 1553, 1559, 1567, 1571, 1579, 1583, 1597, 1601, 1607, 1609, 1613, 1619, 1621, 1627, 1...
Count how many prime numbers there are between 418 and 7035 (inclusive) ?
824
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7035, "n": [ 418, 7035 ], "primes": [ 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547, 557...
Count how many prime numbers there are between 1552 and 8387 (inclusive) ?
806
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8387, "n": [ 1552, 8387 ], "primes": [ 1553, 1559, 1567, 1571, 1579, 1583, 1597, 1601, 1607, 1609, 1613, 1619, 1621, 1627, 1637, 1657, 1663, 1667, 1669, 1...
Count how many prime numbers there are between 264 and 913 (inclusive) ?
100
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 913, "n": [ 264, 913 ], "primes": [ 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, ...
Count how many prime numbers there are between 250 and 1392 (inclusive) ?
168
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 1392, "n": [ 250, 1392 ], "primes": [ 251, 257, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379...
Count how many prime numbers there are between 3649 and 8906 (inclusive) ?
598
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8906, "n": [ 3649, 8906 ], "primes": [ 3659, 3671, 3673, 3677, 3691, 3697, 3701, 3709, 3719, 3727, 3733, 3739, 3761, 3767, 3769, 3779, 3793, 3797, 3803, 3...
Count how many prime numbers there are between 1190 and 9253 (inclusive) ?
951
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9253, "n": [ 1190, 9253 ], "primes": [ 1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1289, 1291, 1297, 1301, 1303, 1307, 1...
Count how many prime numbers there are between 1001 and 4245 (inclusive) ?
414
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 4245, "n": [ 1001, 4245 ], "primes": [ 1009, 1013, 1019, 1021, 1031, 1033, 1039, 1049, 1051, 1061, 1063, 1069, 1087, 1091, 1093, 1097, 1103, 1109, 1117, 1...
Count how many prime numbers there are between 1316 and 2453 (inclusive) ?
149
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 2453, "n": [ 1316, 2453 ], "primes": [ 1319, 1321, 1327, 1361, 1367, 1373, 1381, 1399, 1409, 1423, 1427, 1429, 1433, 1439, 1447, 1451, 1453, 1459, 1471, 1...
Count how many prime numbers there are between 3711 and 8357 (inclusive) ?
528
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8357, "n": [ 3711, 8357 ], "primes": [ 3719, 3727, 3733, 3739, 3761, 3767, 3769, 3779, 3793, 3797, 3803, 3821, 3823, 3833, 3847, 3851, 3853, 3863, 3877, 3...
Count how many prime numbers there are between 3068 and 9744 (inclusive) ?
763
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9744, "n": [ 3068, 9744 ], "primes": [ 3079, 3083, 3089, 3109, 3119, 3121, 3137, 3163, 3167, 3169, 3181, 3187, 3191, 3203, 3209, 3217, 3221, 3229, 3251, 3...
Count how many prime numbers there are between 4778 and 8595 (inclusive) ?
428
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8595, "n": [ 4778, 8595 ], "primes": [ 4783, 4787, 4789, 4793, 4799, 4801, 4813, 4817, 4831, 4861, 4871, 4877, 4889, 4903, 4909, 4919, 4931, 4933, 4937, 4...
Count how many prime numbers there are between 6210 and 9023 (inclusive) ?
314
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9023, "n": [ 6210, 9023 ], "primes": [ 6211, 6217, 6221, 6229, 6247, 6257, 6263, 6269, 6271, 6277, 6287, 6299, 6301, 6311, 6317, 6323, 6329, 6337, 6343, 6...
Count how many prime numbers there are between 6077 and 8577 (inclusive) ?
276
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8577, "n": [ 6077, 8577 ], "primes": [ 6079, 6089, 6091, 6101, 6113, 6121, 6131, 6133, 6143, 6151, 6163, 6173, 6197, 6199, 6203, 6211, 6217, 6221, 6229, 6...
Count how many prime numbers there are between 4249 and 9186 (inclusive) ?
556
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9186, "n": [ 4249, 9186 ], "primes": [ 4253, 4259, 4261, 4271, 4273, 4283, 4289, 4297, 4327, 4337, 4339, 4349, 4357, 4363, 4373, 4391, 4397, 4409, 4421, 4...
Count how many prime numbers there are between 1698 and 9770 (inclusive) ?
940
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9770, "n": [ 1698, 9770 ], "primes": [ 1699, 1709, 1721, 1723, 1733, 1741, 1747, 1753, 1759, 1777, 1783, 1787, 1789, 1801, 1811, 1823, 1831, 1847, 1861, 1...
Count how many prime numbers there are between 3281 and 7361 (inclusive) ?
475
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7361, "n": [ 3281, 7361 ], "primes": [ 3299, 3301, 3307, 3313, 3319, 3323, 3329, 3331, 3343, 3347, 3359, 3361, 3371, 3373, 3389, 3391, 3407, 3413, 3433, 3...
Count how many prime numbers there are between 614 and 7101 (inclusive) ?
797
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7101, "n": [ 614, 7101 ], "primes": [ 617, 619, 631, 641, 643, 647, 653, 659, 661, 673, 677, 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757...
Count how many prime numbers there are between 1674 and 6981 (inclusive) ?
634
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6981, "n": [ 1674, 6981 ], "primes": [ 1693, 1697, 1699, 1709, 1721, 1723, 1733, 1741, 1747, 1753, 1759, 1777, 1783, 1787, 1789, 1801, 1811, 1823, 1831, 1...
Count how many prime numbers there are between 271 and 5507 (inclusive) ?
671
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 5507, "n": [ 271, 5507 ], "primes": [ 271, 277, 281, 283, 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401...
Count how many prime numbers there are between 3383 and 6654 (inclusive) ?
381
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6654, "n": [ 3383, 6654 ], "primes": [ 3389, 3391, 3407, 3413, 3433, 3449, 3457, 3461, 3463, 3467, 3469, 3491, 3499, 3511, 3517, 3527, 3529, 3533, 3539, 3...
Count how many prime numbers there are between 3539 and 4874 (inclusive) ?
158
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 4874, "n": [ 3539, 4874 ], "primes": [ 3539, 3541, 3547, 3557, 3559, 3571, 3581, 3583, 3593, 3607, 3613, 3617, 3623, 3631, 3637, 3643, 3659, 3671, 3673, 3...
Count how many prime numbers there are between 2167 and 5783 (inclusive) ?
433
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 5783, "n": [ 2167, 5783 ], "primes": [ 2179, 2203, 2207, 2213, 2221, 2237, 2239, 2243, 2251, 2267, 2269, 2273, 2281, 2287, 2293, 2297, 2309, 2311, 2333, 2...
Count how many prime numbers there are between 4014 and 7840 (inclusive) ?
436
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7840, "n": [ 4014, 7840 ], "primes": [ 4019, 4021, 4027, 4049, 4051, 4057, 4073, 4079, 4091, 4093, 4099, 4111, 4127, 4129, 4133, 4139, 4153, 4157, 4159, 4...
Count how many prime numbers there are between 4179 and 5919 (inclusive) ?
203
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 5919, "n": [ 4179, 5919 ], "primes": [ 4201, 4211, 4217, 4219, 4229, 4231, 4241, 4243, 4253, 4259, 4261, 4271, 4273, 4283, 4289, 4297, 4327, 4337, 4339, 4...
Count how many prime numbers there are between 5177 and 8051 (inclusive) ?
322
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8051, "n": [ 5177, 8051 ], "primes": [ 5179, 5189, 5197, 5209, 5227, 5231, 5233, 5237, 5261, 5273, 5279, 5281, 5297, 5303, 5309, 5323, 5333, 5347, 5351, 5...
Count how many prime numbers there are between 409 and 3254 (inclusive) ?
380
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 3254, "n": [ 409, 3254 ], "primes": [ 409, 419, 421, 431, 433, 439, 443, 449, 457, 461, 463, 467, 479, 487, 491, 499, 503, 509, 521, 523, 541, 547...
Count how many prime numbers there are between 6205 and 6313 (inclusive) ?
14
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6313, "n": [ 6205, 6313 ], "primes": [ 6211, 6217, 6221, 6229, 6247, 6257, 6263, 6269, 6271, 6277, 6287, 6299, 6301, 6311 ], "solution": 14, "source_dataset": "count_primes...
Count how many prime numbers there are between 3237 and 6851 (inclusive) ?
424
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6851, "n": [ 3237, 6851 ], "primes": [ 3251, 3253, 3257, 3259, 3271, 3299, 3301, 3307, 3313, 3319, 3323, 3329, 3331, 3343, 3347, 3359, 3361, 3371, 3373, 3...
Count how many prime numbers there are between 1060 and 2815 (inclusive) ?
232
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 2815, "n": [ 1060, 2815 ], "primes": [ 1061, 1063, 1069, 1087, 1091, 1093, 1097, 1103, 1109, 1117, 1123, 1129, 1151, 1153, 1163, 1171, 1181, 1187, 1193, 1...
Count how many prime numbers there are between 3619 and 7031 (inclusive) ?
398
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7031, "n": [ 3619, 7031 ], "primes": [ 3623, 3631, 3637, 3643, 3659, 3671, 3673, 3677, 3691, 3697, 3701, 3709, 3719, 3727, 3733, 3739, 3761, 3767, 3769, 3...
Count how many prime numbers there are between 2305 and 8430 (inclusive) ?
712
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8430, "n": [ 2305, 8430 ], "primes": [ 2309, 2311, 2333, 2339, 2341, 2347, 2351, 2357, 2371, 2377, 2381, 2383, 2389, 2393, 2399, 2411, 2417, 2423, 2437, 2...
Count how many prime numbers there are between 5352 and 9200 (inclusive) ?
432
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9200, "n": [ 5352, 9200 ], "primes": [ 5381, 5387, 5393, 5399, 5407, 5413, 5417, 5419, 5431, 5437, 5441, 5443, 5449, 5471, 5477, 5479, 5483, 5501, 5503, 5...
Count how many prime numbers there are between 2989 and 6565 (inclusive) ?
419
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6565, "n": [ 2989, 6565 ], "primes": [ 2999, 3001, 3011, 3019, 3023, 3037, 3041, 3049, 3061, 3067, 3079, 3083, 3089, 3109, 3119, 3121, 3137, 3163, 3167, 3...
Count how many prime numbers there are between 1870 and 3005 (inclusive) ?
146
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 3005, "n": [ 1870, 3005 ], "primes": [ 1871, 1873, 1877, 1879, 1889, 1901, 1907, 1913, 1931, 1933, 1949, 1951, 1973, 1979, 1987, 1993, 1997, 1999, 2003, 2...
Count how many prime numbers there are between 4267 and 7034 (inclusive) ?
319
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7034, "n": [ 4267, 7034 ], "primes": [ 4271, 4273, 4283, 4289, 4297, 4327, 4337, 4339, 4349, 4357, 4363, 4373, 4391, 4397, 4409, 4421, 4423, 4441, 4447, 4...
Count how many prime numbers there are between 4699 and 6767 (inclusive) ?
237
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6767, "n": [ 4699, 6767 ], "primes": [ 4703, 4721, 4723, 4729, 4733, 4751, 4759, 4783, 4787, 4789, 4793, 4799, 4801, 4813, 4817, 4831, 4861, 4871, 4877, 4...
Count how many prime numbers there are between 1159 and 3344 (inclusive) ?
280
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 3344, "n": [ 1159, 3344 ], "primes": [ 1163, 1171, 1181, 1187, 1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1289, 1291, 1...
Count how many prime numbers there are between 1616 and 8772 (inclusive) ?
838
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8772, "n": [ 1616, 8772 ], "primes": [ 1619, 1621, 1627, 1637, 1657, 1663, 1667, 1669, 1693, 1697, 1699, 1709, 1721, 1723, 1733, 1741, 1747, 1753, 1759, 1...
Count how many prime numbers there are between 2517 and 4521 (inclusive) ?
246
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 4521, "n": [ 2517, 4521 ], "primes": [ 2521, 2531, 2539, 2543, 2549, 2551, 2557, 2579, 2591, 2593, 2609, 2617, 2621, 2633, 2647, 2657, 2659, 2663, 2671, 2...
Count how many prime numbers there are between 3461 and 6905 (inclusive) ?
404
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6905, "n": [ 3461, 6905 ], "primes": [ 3461, 3463, 3467, 3469, 3491, 3499, 3511, 3517, 3527, 3529, 3533, 3539, 3541, 3547, 3557, 3559, 3571, 3581, 3583, 3...
Count how many prime numbers there are between 3878 and 5586 (inclusive) ?
200
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 5586, "n": [ 3878, 5586 ], "primes": [ 3881, 3889, 3907, 3911, 3917, 3919, 3923, 3929, 3931, 3943, 3947, 3967, 3989, 4001, 4003, 4007, 4013, 4019, 4021, 4...
Count how many prime numbers there are between 845 and 8796 (inclusive) ?
949
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8796, "n": [ 845, 8796 ], "primes": [ 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997...
Count how many prime numbers there are between 5848 and 6630 (inclusive) ?
88
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6630, "n": [ 5848, 6630 ], "primes": [ 5849, 5851, 5857, 5861, 5867, 5869, 5879, 5881, 5897, 5903, 5923, 5927, 5939, 5953, 5981, 5987, 6007, 6011, 6029, 6...
Count how many prime numbers there are between 6583 and 8379 (inclusive) ?
197
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8379, "n": [ 6583, 8379 ], "primes": [ 6599, 6607, 6619, 6637, 6653, 6659, 6661, 6673, 6679, 6689, 6691, 6701, 6703, 6709, 6719, 6733, 6737, 6761, 6763, 6...
Count how many prime numbers there are between 3449 and 4775 (inclusive) ?
160
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 4775, "n": [ 3449, 4775 ], "primes": [ 3449, 3457, 3461, 3463, 3467, 3469, 3491, 3499, 3511, 3517, 3527, 3529, 3533, 3539, 3541, 3547, 3557, 3559, 3571, 3...
Count how many prime numbers there are between 3485 and 4315 (inclusive) ?
103
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 4315, "n": [ 3485, 4315 ], "primes": [ 3491, 3499, 3511, 3517, 3527, 3529, 3533, 3539, 3541, 3547, 3557, 3559, 3571, 3581, 3583, 3593, 3607, 3613, 3617, 3...
Count how many prime numbers there are between 7901 and 7958 (inclusive) ?
8
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7958, "n": [ 7901, 7958 ], "primes": [ 7901, 7907, 7919, 7927, 7933, 7937, 7949, 7951 ], "solution": 8, "source_dataset": "count_primes", "source_index": 259, "start": 7901 }
Count how many prime numbers there are between 1559 and 9831 (inclusive) ?
967
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9831, "n": [ 1559, 9831 ], "primes": [ 1559, 1567, 1571, 1579, 1583, 1597, 1601, 1607, 1609, 1613, 1619, 1621, 1627, 1637, 1657, 1663, 1667, 1669, 1693, 1...
Count how many prime numbers there are between 2066 and 8708 (inclusive) ?
774
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8708, "n": [ 2066, 8708 ], "primes": [ 2069, 2081, 2083, 2087, 2089, 2099, 2111, 2113, 2129, 2131, 2137, 2141, 2143, 2153, 2161, 2179, 2203, 2207, 2213, 2...
Count how many prime numbers there are between 2401 and 7439 (inclusive) ?
585
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7439, "n": [ 2401, 7439 ], "primes": [ 2411, 2417, 2423, 2437, 2441, 2447, 2459, 2467, 2473, 2477, 2503, 2521, 2531, 2539, 2543, 2549, 2551, 2557, 2579, 2...
Count how many prime numbers there are between 8388 and 8391 (inclusive) ?
1
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8391, "n": [ 8388, 8391 ], "primes": [ 8389 ], "solution": 1, "source_dataset": "count_primes", "source_index": 263, "start": 8388 }
Count how many prime numbers there are between 5843 and 6077 (inclusive) ?
26
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6077, "n": [ 5843, 6077 ], "primes": [ 5843, 5849, 5851, 5857, 5861, 5867, 5869, 5879, 5881, 5897, 5903, 5923, 5927, 5939, 5953, 5981, 5987, 6007, 6011, 6...
Count how many prime numbers there are between 4525 and 7193 (inclusive) ?
304
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7193, "n": [ 4525, 7193 ], "primes": [ 4547, 4549, 4561, 4567, 4583, 4591, 4597, 4603, 4621, 4637, 4639, 4643, 4649, 4651, 4657, 4663, 4673, 4679, 4691, 4...
Count how many prime numbers there are between 4295 and 8240 (inclusive) ?
445
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8240, "n": [ 4295, 8240 ], "primes": [ 4297, 4327, 4337, 4339, 4349, 4357, 4363, 4373, 4391, 4397, 4409, 4421, 4423, 4441, 4447, 4451, 4457, 4463, 4481, 4...
Count how many prime numbers there are between 292 and 7603 (inclusive) ?
905
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7603, "n": [ 292, 7603 ], "primes": [ 293, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431...
Count how many prime numbers there are between 4431 and 8043 (inclusive) ?
409
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8043, "n": [ 4431, 8043 ], "primes": [ 4441, 4447, 4451, 4457, 4463, 4481, 4483, 4493, 4507, 4513, 4517, 4519, 4523, 4547, 4549, 4561, 4567, 4583, 4591, 4...
Count how many prime numbers there are between 1471 and 1488 (inclusive) ?
4
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 1488, "n": [ 1471, 1488 ], "primes": [ 1471, 1481, 1483, 1487 ], "solution": 4, "source_dataset": "count_primes", "source_index": 269, "start": 1471 }
Count how many prime numbers there are between 4006 and 6152 (inclusive) ?
250
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6152, "n": [ 4006, 6152 ], "primes": [ 4007, 4013, 4019, 4021, 4027, 4049, 4051, 4057, 4073, 4079, 4091, 4093, 4099, 4111, 4127, 4129, 4133, 4139, 4153, 4...
Count how many prime numbers there are between 2671 and 2812 (inclusive) ?
23
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 2812, "n": [ 2671, 2812 ], "primes": [ 2671, 2677, 2683, 2687, 2689, 2693, 2699, 2707, 2711, 2713, 2719, 2729, 2731, 2741, 2749, 2753, 2767, 2777, 2789, 2...
Count how many prime numbers there are between 3267 and 7120 (inclusive) ?
450
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7120, "n": [ 3267, 7120 ], "primes": [ 3271, 3299, 3301, 3307, 3313, 3319, 3323, 3329, 3331, 3343, 3347, 3359, 3361, 3371, 3373, 3389, 3391, 3407, 3413, 3...
Count how many prime numbers there are between 2344 and 9683 (inclusive) ?
848
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9683, "n": [ 2344, 9683 ], "primes": [ 2347, 2351, 2357, 2371, 2377, 2381, 2383, 2389, 2393, 2399, 2411, 2417, 2423, 2437, 2441, 2447, 2459, 2467, 2473, 2...
Count how many prime numbers there are between 7554 and 9296 (inclusive) ?
193
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9296, "n": [ 7554, 9296 ], "primes": [ 7559, 7561, 7573, 7577, 7583, 7589, 7591, 7603, 7607, 7621, 7639, 7643, 7649, 7669, 7673, 7681, 7687, 7691, 7699, 7...
Count how many prime numbers there are between 678 and 7382 (inclusive) ?
815
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7382, "n": [ 678, 7382 ], "primes": [ 683, 691, 701, 709, 719, 727, 733, 739, 743, 751, 757, 761, 769, 773, 787, 797, 809, 811, 821, 823, 827, 829...
Count how many prime numbers there are between 779 and 5848 (inclusive) ?
630
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 5848, "n": [ 779, 5848 ], "primes": [ 787, 797, 809, 811, 821, 823, 827, 829, 839, 853, 857, 859, 863, 877, 881, 883, 887, 907, 911, 919, 929, 937...
Count how many prime numbers there are between 1469 and 5389 (inclusive) ?
478
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 5389, "n": [ 1469, 5389 ], "primes": [ 1471, 1481, 1483, 1487, 1489, 1493, 1499, 1511, 1523, 1531, 1543, 1549, 1553, 1559, 1567, 1571, 1579, 1583, 1597, 1...
Count how many prime numbers there are between 7009 and 7471 (inclusive) ?
44
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7471, "n": [ 7009, 7471 ], "primes": [ 7013, 7019, 7027, 7039, 7043, 7057, 7069, 7079, 7103, 7109, 7121, 7127, 7129, 7151, 7159, 7177, 7187, 7193, 7207, 7...
Count how many prime numbers there are between 3772 and 7870 (inclusive) ?
468
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7870, "n": [ 3772, 7870 ], "primes": [ 3779, 3793, 3797, 3803, 3821, 3823, 3833, 3847, 3851, 3853, 3863, 3877, 3881, 3889, 3907, 3911, 3917, 3919, 3923, 3...
Count how many prime numbers there are between 7948 and 9907 (inclusive) ?
219
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9907, "n": [ 7948, 9907 ], "primes": [ 7949, 7951, 7963, 7993, 8009, 8011, 8017, 8039, 8053, 8059, 8069, 8081, 8087, 8089, 8093, 8101, 8111, 8117, 8123, 8...
Count how many prime numbers there are between 5722 and 8451 (inclusive) ?
304
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8451, "n": [ 5722, 8451 ], "primes": [ 5737, 5741, 5743, 5749, 5779, 5783, 5791, 5801, 5807, 5813, 5821, 5827, 5839, 5843, 5849, 5851, 5857, 5861, 5867, 5...
Count how many prime numbers there are between 3421 and 4604 (inclusive) ?
143
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 4604, "n": [ 3421, 4604 ], "primes": [ 3433, 3449, 3457, 3461, 3463, 3467, 3469, 3491, 3499, 3511, 3517, 3527, 3529, 3533, 3539, 3541, 3547, 3557, 3559, 3...
Count how many prime numbers there are between 4607 and 4997 (inclusive) ?
45
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 4997, "n": [ 4607, 4997 ], "primes": [ 4621, 4637, 4639, 4643, 4649, 4651, 4657, 4663, 4673, 4679, 4691, 4703, 4721, 4723, 4729, 4733, 4751, 4759, 4783, 4...
Count how many prime numbers there are between 1272 and 4757 (inclusive) ?
435
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 4757, "n": [ 1272, 4757 ], "primes": [ 1277, 1279, 1283, 1289, 1291, 1297, 1301, 1303, 1307, 1319, 1321, 1327, 1361, 1367, 1373, 1381, 1399, 1409, 1423, 1...
Count how many prime numbers there are between 6218 and 8510 (inclusive) ?
251
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8510, "n": [ 6218, 8510 ], "primes": [ 6221, 6229, 6247, 6257, 6263, 6269, 6271, 6277, 6287, 6299, 6301, 6311, 6317, 6323, 6329, 6337, 6343, 6353, 6359, 6...
Count how many prime numbers there are between 1185 and 7460 (inclusive) ?
751
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7460, "n": [ 1185, 7460 ], "primes": [ 1187, 1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1289, 1291, 1297, 1301, 1303, 1...
Count how many prime numbers there are between 1147 and 1905 (inclusive) ?
102
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 1905, "n": [ 1147, 1905 ], "primes": [ 1151, 1153, 1163, 1171, 1181, 1187, 1193, 1201, 1213, 1217, 1223, 1229, 1231, 1237, 1249, 1259, 1277, 1279, 1283, 1...
Count how many prime numbers there are between 866 and 9753 (inclusive) ?
1053
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9753, "n": [ 866, 9753 ], "primes": [ 877, 881, 883, 887, 907, 911, 919, 929, 937, 941, 947, 953, 967, 971, 977, 983, 991, 997, 1009, 1013, 1019, ...
Count how many prime numbers there are between 4294 and 8726 (inclusive) ?
498
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 8726, "n": [ 4294, 8726 ], "primes": [ 4297, 4327, 4337, 4339, 4349, 4357, 4363, 4373, 4391, 4397, 4409, 4421, 4423, 4441, 4447, 4451, 4457, 4463, 4481, 4...
Count how many prime numbers there are between 2422 and 2819 (inclusive) ?
51
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 2819, "n": [ 2422, 2819 ], "primes": [ 2423, 2437, 2441, 2447, 2459, 2467, 2473, 2477, 2503, 2521, 2531, 2539, 2543, 2549, 2551, 2557, 2579, 2591, 2593, 2...
Count how many prime numbers there are between 1520 and 4384 (inclusive) ?
357
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 4384, "n": [ 1520, 4384 ], "primes": [ 1523, 1531, 1543, 1549, 1553, 1559, 1567, 1571, 1579, 1583, 1597, 1601, 1607, 1609, 1613, 1619, 1621, 1627, 1637, 1...
Count how many prime numbers there are between 1843 and 9209 (inclusive) ?
860
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9209, "n": [ 1843, 9209 ], "primes": [ 1847, 1861, 1867, 1871, 1873, 1877, 1879, 1889, 1901, 1907, 1913, 1931, 1933, 1949, 1951, 1973, 1979, 1987, 1993, 1...
Count how many prime numbers there are between 4062 and 7179 (inclusive) ?
357
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7179, "n": [ 4062, 7179 ], "primes": [ 4073, 4079, 4091, 4093, 4099, 4111, 4127, 4129, 4133, 4139, 4153, 4157, 4159, 4177, 4201, 4211, 4217, 4219, 4229, 4...
Count how many prime numbers there are between 8119 and 9791 (inclusive) ?
187
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 9791, "n": [ 8119, 9791 ], "primes": [ 8123, 8147, 8161, 8167, 8171, 8179, 8191, 8209, 8219, 8221, 8231, 8233, 8237, 8243, 8263, 8269, 8273, 8287, 8291, 8...
Count how many prime numbers there are between 165 and 6669 (inclusive) ?
821
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 6669, "n": [ 165, 6669 ], "primes": [ 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 271, 277, 281...
Count how many prime numbers there are between 309 and 7190 (inclusive) ?
855
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 7190, "n": [ 309, 7190 ], "primes": [ 311, 313, 317, 331, 337, 347, 349, 353, 359, 367, 373, 379, 383, 389, 397, 401, 409, 419, 421, 431, 433, 439...
Count how many prime numbers there are between 82 and 3096 (inclusive) ?
420
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 3096, "n": [ 82, 3096 ], "primes": [ 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, ...
Count how many prime numbers there are between 3366 and 4997 (inclusive) ?
194
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 4997, "n": [ 3366, 4997 ], "primes": [ 3371, 3373, 3389, 3391, 3407, 3413, 3433, 3449, 3457, 3461, 3463, 3467, 3469, 3491, 3499, 3511, 3517, 3527, 3529, 3...
Count how many prime numbers there are between 56 and 3172 (inclusive) ?
433
{ "difficulty": { "n": [ 1, 10000 ] }, "end": 3172, "n": [ 56, 3172 ], "primes": [ 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167,...