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
2095399Factored
FactorDigitsBitsDate
570942718192103568704510572685.62017-05-26 06:23:03
ECM
DigitsB1Curves
2550000108 / 280
Estimated T-Level: 21.9
TF below 2^68 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Phil Nesser841BA0F991324A140
Verified (Factored)1999-02-07Eric Paynter841BA0F991324A14977149
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-06Oliver KruseB5D9DCA194A99F221013
Verified2017-11-17kkmrkkblmbrbkB5D9DCA194A99F221130972713
P-1 factors
DateFactorB1B2
2017-05-26570942718192103568704510572500000125000000
History
DateUserTypeResult
2017-11-17kkmrkkblmbrbkC-PRP
M2095399/57094271819210356870451057 : B5D9DCA194A99F22
PRP: Verified
PRP without proof (not generated)
2017-10-06Oliver KruseC-PRP
M2095399/57094271819210356870451057 : B5D9DCA194A99F22
PRP: Verified
PRP without proof (not generated)
2017-05-26mikrF-PM1
Factor: 57094271819210356870451057 / (P-1, B1=2500000, B2=125000000, E=12)
2016-11-09JossNF-PM1
B1=268329
2016-11-05JossNF-PM1
B1=223608
2016-09-21Gordon SpenceNF
no factor from 2^66 to 2^67
2016-07-28JossNF-PM1
B1=186340, B2=6300000, E=12
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-10-31ramgeisNF
no factor from 2^65 to 2^66
2015-04-10VictordeHollanderNF
no factor from 2^64 to 2^65
2015-04-10VictordeHollanderNF
no factor from 2^63 to 2^64
2013-09-04ramgeisNF
no factor from 2^62 to 2^63
2012-03-24Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-22James HeinrichNF-PM1
B1=140000, B2=3150000, E=6
2011-01-09JossNF-PM1
B1=50000
2010-12-28JossNF-PM1
B1=30000
2009-07-27USAFSSNF-PM1
B1=20000, B2=260000
2009-01-03Sturle SundeNF
no factor from 2^60 to 2^61