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
11132789Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
4387339860533223141924892478.52014-08-26 18:00:14
LL
StatusDateUserResidueShift
Verified (Factored)2000-11-15Steve Karassik866CED02FD91EC885699573
Verified (Factored)2004-02-07Rohit Namjoshi866CED02FD91EC8810227728
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-05-23RichD0044F1C577AFB63331984477553
P-1 factors
DateFactorB1B2
2014-08-264387339860533223141924893000006000000
History
DateUserTypeResult
2021-05-23curtiscCERT
PRP Certification
Proof certified good
2021-05-23RichD0C-PRP
M11132789/438733986053322314192489 : 044F1C577AFB6333
PRP proof power = 8
PRP: Verified
Proof certified good
2014-08-26ThaF-PM1
Factor: 438733986053322314192489
2013-11-27lycornNF
no factor from 2^64 to 2^65