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
1104331Factored
FactorDigitsBitsDate
525694062978866577440488332685.42015-02-19 08:16:48
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Gerardo Cisneros1AF50
Verified (Factored)Colin PlumbCEDD5C68189B1AF50
Verified (Factored)2002-04-20S57483CEDD5C68189B1AF5732624
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-29Oliver Kruse0051C5620AD47FD31013
Verified2017-10-16Oliver Kruse0051C5620AD47FD3153927913
Verified2018-01-01ATH0051C5620AD47FD3187699813
P-1 factors
DateFactorB1B2
2015-02-19525694062978866577440488335000000200000000
History
DateUserTypeResult
2022-03-07LordJuliusNF
no factor from 2^57 to 2^60
2022-03-07firejugglerNF
no factor from 2^57 to 2^60
2018-01-01ATHC-PRP
M1104331/52569406297886657744048833 : 0051C5620AD47FD3
PRP: Verified
PRP without proof (not generated)
2017-10-16Oliver KruseC-PRP
M1104331/52569406297886657744048833 : 0051C5620AD47FD3
PRP: Verified
PRP without proof (not generated)
2017-09-29Oliver KruseC-PRP
M1104331/52569406297886657744048833 : 0051C5620AD47FD3
PRP: Verified
PRP without proof (not generated)
2015-02-19mikrF-PM1
Factor: 52569406297886657744048833 / (P-1, B1=5000000, B2=200000000, E=12)
2014-12-28Matthias WurtingerNF
no factor from 2^64 to 2^65
2014-12-22Matthias WurtingerNF
no factor from 2^63 to 2^64
2012-10-07dbaughNF
no factor from 2^62 to 2^63
2012-09-25kurlyNF-PM1
B1=500000, B2=10000000, E=12
2011-05-09XyzzyNF
no factor from 2^61 to 2^62
2009-02-17Sturle SundeNF
no factor from 2^60 to 2^61