1931
This number is a prime.
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1931 and 1933 are the smallest set of twin primes in which one is
a Sophie Germain prime and the other a Honaker prime. [Gaydos]
Submitted: 2016-12-18 13:56:25; Last Modified: 2020-06-10 16:52:43.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell