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

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MnStatusDetails
127823687Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1389442350880739041432166.92015-01-18 05:36:55
History
DateUserTypeResult
2015-01-18NickF
Factor: 138944235088073904143 / TF: 66-67
2012-10-01RichardNF
no factor from 2^65 to 2^66
2010-11-06Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-28Architects CubedNF
no factor from 2^63 to 2^64