1663
This number is a prime.
Just showing those entries submitted by 'Russo': (Click here to show all)
A prime p such that 4p + 7 is prime. [Russo]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
Just showing those entries submitted by 'Russo': (Click here to show all)
A prime p such that 4p + 7 is prime. [Russo]