107060074

This number is a composite.

+ Using a palindromic prime discovered by Heuer in 2002, you can show that 9R1031*(10^69882+3*10^34941+1)^1476*10^3913210 is a Smith number having 107060074 digits.

Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell