15601
This number is a prime.
1808010808 repeated 1560 times, then ending with an additional 1, is a 15601-digit tetradic prime. [Dubner and
Broadhurst]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
1808010808 repeated 1560 times, then ending with an additional 1, is a 15601-digit tetradic prime. [Dubner and
Broadhurst]