11165...16159 (100355-digits)
This number is a prime.
The smaller member of the largest known pair of twin primes is 65516468355 * 2^333333 - 1. It was discovered by "SG Grid" and others in August 2009, far surpassing the previous 58711-digit record of 2007!
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell