2227777
This number is a prime.
This prime-digit prime that contains 3 2s and 4 7s is the
largest prime factor of 12^12+1. [Marcel]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Reginald McLean
This number is a prime.
This prime-digit prime that contains 3 2s and 4 7s is the
largest prime factor of 12^12+1. [Marcel]