31111...11111 (555-digits)
This number is a prime.
The smallest near-repunit prime p, greater than a googol,
of the form p=3111...111. [Loungrides]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The smallest near-repunit prime p, greater than a googol,
of the form p=3111...111. [Loungrides]