36936...93691 (3862-digits)
This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).
A Fermat and Lucas PRP that is made up of digits that are multiples of 3 along with a single 1. [Earls]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell