11111...11117 (131-digits)
This number is a prime.
1 1111111111 1111111111 1111111111 1111111111 1111111111 1111111111
1111111111 1111111111 1111111111 1111111111 1111111111 1111111111 1111111117
Just showing those entries submitted by 'Bajpai': (Click here to show all)
The smallest near-repdigit prime P greater than a googol
found in the sequence 7, 17, 117, 1117, 11117, 111117, etc.
Curiously, the sod(P)is also prime . [Bajpai]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell