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
4460359Factored
FactorDigitsBitsDate
44603591825.4old
579846671929.12008-09-07 23:41:15
21052894491031.02008-09-07 23:41:15
65299655771032.62008-09-07 23:41:15
6163234859031239.22008-09-07 23:41:15
6329427835371239.22008-09-07 23:41:15
11796063936359037671960.02014-07-23 03:25:32
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-11-17kkmrkkblmbrbk321C25D9275A0EDE7222560553
Verified2018-02-15Oliver Kruse321C25D9275A0EDE7318369453
History
DateUserTypeResult
2022-12-20LordJuliusNF
no factor from 2^67 to 2^68
2022-07-07LordJuliusNF
no factor from 2^65 to 2^66
2022-07-07LordJuliusNF
no factor from 2^64 to 2^65
2022-07-07LordJuliusNF
no factor from 2^63 to 2^64
2022-07-07LordJuliusNF
no factor from 2^61 to 2^63
2022-03-28Seth_TrNF-PM1
B1=2000000000, B2=200483100090
2021-12-29Seth_TrNF-PM1
B1=1000000000, B2=2510247776190
2021-10-01Seth_TrNF-PM1
B1=1000000000, B2=241000000000
2019-08-27alpertronNF-PM1
B1=30000000, B2=1000000000, E=12
2019-06-18Seth_TrNF
no factor from 2^66 to 2^67
2018-02-15Oliver KruseC-PRP
M4460359/44603591/579846671/2105289449/6529965577/616323485903/632942783537/1179606393635903767 : 321C25D9275A0EDE
PRP: Verified
PRP without proof (not generated)
2017-11-17kkmrkkblmbrbkC-PRP
M4460359/44603591/579846671/2105289449/6529965577/616323485903/632942783537/1179606393635903767 : 321C25D9275A0EDE
PRP: Verified
PRP without proof (not generated)
2014-07-23pdazzlF
Factor: 1179606393635903767 / TF: 60-61
2008-09-07Will EdgingtonF
Factor: 632942783537
2008-09-07Will EdgingtonF
Factor: 616323485903
2008-09-07Will EdgingtonF
Factor: 6529965577
2008-09-07Will EdgingtonF
Factor: 2105289449
2008-09-07Will EdgingtonF
Factor: 579846671