11111...11111 (1117-digits)
This number is a prime.
The first titanic near-repunit prime with a near-repunit prime number of digits:
(101117-1)/9+4*1092. [Merickel]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell
This number is a prime.
The first titanic near-repunit prime with a near-repunit prime number of digits:
(101117-1)/9+4*1092. [Merickel]