13192...06409 (87-digits)
This number is a prime.
1319232 6293946495
9697989103 1091111331 9920320620 9211218222 2332662993 0931132733 3399406409
The largest prime P less than a googol that is the concatenation of first n modest numbers, i.e., {13, 19, 23, 26, ..., 399, 406, 409}, (case n=33). Curiously, the sod(P)=347 is an emirp. [Bajpai]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell