137153163127255511
This number is a prime.
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137153163127255511 is prime. Note that 1 = 21 - 1, 3 = 22 - 1, 7 = 23 - 1, ... , 511 = 29 - 1. [Luhn]
Submitted: 2001-01-18 22:17:02; Last Modified: 2008-01-30 17:28:00.
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