652
This number is a composite.
652^652 + 111 ... 1 (652 ones) is a titanic prime. [Firoozbakht]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a composite.
652^652 + 111 ... 1 (652 ones) is a titanic prime. [Firoozbakht]