Displaying 1-10 of 18 results found.
Numbers k such that (9^k - 5^k)/4 is prime.
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20
3, 11, 17, 173, 839, 971, 40867, 45821, 147503
Numbers k such that (8^k - 5^k)/3 is prime.
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19
2, 19, 1021, 5077, 34031, 46099, 65707, 347437
Numbers k such that (7^k - 5^k)/2 is prime.
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26
3, 5, 7, 113, 397, 577, 7573, 14561, 58543, 100019, 123407, 136559, 208283, 210761, 457871, 608347, 636043
Numbers k such that (9^k + 5^k)/14 is prime.
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21
3, 5, 13, 17, 43, 127, 229, 277, 6043, 11131, 11821
Numbers k such that (17^k - 5^k)/12 is prime.
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19
5, 7, 17, 23, 43, 71, 239, 733, 1097
Numbers k such that (16^k - 5^k)/11 is prime.
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18
7, 13, 109, 139, 967, 60013, 97613
Numbers k such that (18^k - 5^k)/13 is prime.
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19
2, 3, 19, 23, 31, 37, 251, 283, 977, 28687, 32993
Numbers k such that (19^k - 5^k)/14 is prime.
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19
5, 17, 31, 59, 373, 643, 2843, 5209, 85009
Numbers k such that (12^k - 5^k)/7 is prime.
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20
2, 3, 31, 41, 53, 101, 421, 1259, 4721, 45259
Numbers k such that (14^k + 5^k)/19 is prime.
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11
3, 7, 17, 79, 17477, 19319, 49549
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