Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
291213941Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
9958654262536320248412169.82019-08-16 02:52:18
History
DateUserTypeResult
2019-08-16Alex_soldierF
Factor: 995865426253632024841 / TF: 69-70
2018-07-23Chabot PrimeNF
no factor from 2^68 to 2^69
2016-08-19XZTNF
no factor from 2^67 to 2^68
2016-02-06TrumpfPuurNF
no factor from 2^66 to 2^67
2014-06-21Grant McCrackenNF
no factor from 2^65 to 2^66
2011-09-30OS1NF
no factor from 2^64 to 2^65
2010-05-25Architects CubedNF
no factor from 2^63 to 2^64
2010-03-30monstNF
no factor from 2^62 to 2^63