36171...65267 (117-digits)

This number is a prime.

                         3617142 1147578498 1160523561 5792197056 0246039091
9700531514 1839762879 6000507932 7922891720 7150657119 9243666743 9556765267

+ Multiplying this prime by 2^167 yields a 167 digit number containing only the digits 6 and 7. Note that 167 is prime as well. [Rupinski]

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