41111...11113 (92-digits)

This number is a prime.

                                                    41 1111111111 1111111111
1111111111 1111111111 1111111111 1111111111 1111111111 1111111111 1111111113

+ The largest prime less than a googol of the form 4(1)w3. [Bajpai]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell