521
This number is a prime.
Just showing those entries submitted by 'Luen': (Click here to show all)
Largest known Lucas number n such that 2^n-1 is prime. [Luen]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
Just showing those entries submitted by 'Luen': (Click here to show all)
Largest known Lucas number n such that 2^n-1 is prime. [Luen]