20000...00001 (99-digits)

This number is a prime.

200000000 0000000000 0000000000
0000000000 0000000000 0000100000 0000000000 0000000000 0000000000 0000000001

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The largest prime less than a googol with least possible sum of digits. [Loungrides]

Submitted: 2015-10-26 14:54:14; Last Modified: 2020-08-04 19:27:54.