4271
This number is a prime.
Putting a zero in the middle of the 586th prime number (4271) produces the 586th Sophie Germain prime. [Gaydos]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
Putting a zero in the middle of the 586th prime number (4271) produces the 586th Sophie Germain prime. [Gaydos]