151

This number is a prime.

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If you’re looking for a prime number with 1,000 digits, even a calculation with 2^500 (a number containing 151 decimal digits) steps — which would take much longer than the age of the universe — isn’t enough to guarantee success. [Ornes]

Submitted: 2023-09-21 00:33:16; Last Modified: 2023-09-21 00:35:30.