Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
211891117Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
508504272310049050812065.52013-08-17 20:38:23
History
DateUserTypeResult
2013-08-17NickF
Factor: 50850427231004905081
2011-05-21impsNF
no factor from 2^64 to 2^65