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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Exponent Range:










MnStatusDetails
6975803Factored
FactorDigitsBitsDate
916896744058591967662802662312996.22024-02-22 00:41:05
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1999-06-06Evans Paschal1C1A2F7072A264614755822
Verified (Factored)2001-11-24Danny Srepel1C1A2F7072A26461982260
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-02-22Jason Lynch6DFC5C34F6AC0B9A1600077353
P-1 factors
DateFactorB1B2
2024-02-229168967440585919676628026623114312000131528336940
History
DateUserTypeResult
2024-02-22Chun sung sooCERT
PRP Certification
Proof certified good
2024-02-22Jason LynchC-PRP
M6975803/91689674405859196766280266231 : 6DFC5C34F6AC0B9A
PRP proof power = 8
PRP: Verified
Proof certified good
2024-02-22Jason LynchF-PM1
Factor: 91689674405859196766280266231 / (P-1, B1=14312000, B2=131528336940)
2021-11-22Seth_TrNF-PM1
B1=4000000, B2=110000000, E=12
2021-09-25SRBaseNF
no factor from 2^71 to 2^72
2021-09-06SRBaseNF
no factor from 2^70 to 2^71
2021-08-08takahashiNF
no factor from 2^69 to 2^70
2020-04-24TJAOINF
no factor from 2^68 to 2^69
2020-01-29takahashiNF-PM1
B1=600000, B2=12000000, E=12
2018-02-26-Anonymous-NF
no factor from 2^67 to 2^68
2016-04-26Gordon SpenceNF
no factor from 2^66 to 2^67
2015-07-03VictordeHollanderNF
no factor from 2^65 to 2^66
2014-02-15lycornNF
no factor from 2^64 to 2^65
2014-02-09NesowaNF
no factor from 2^63 to 2^64
2011-12-06James HeinrichNF-PM1
B1=135000, B2=2835000, E=6