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
435569Factored
FactorDigitsBitsDate
591287797823470584385248735112995.62019-06-02 11:51:57
ECM
DigitsB1Curves
2550000280 / 280
30250000635 / 640
Estimated T-Level: 30.0 ⓘ
TF below 2^95 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski2D980
Verified (Factored)Jerry Williamson8BA1AE004F016D980
Verified (Factored)Eivind Triel8BA1AE004F016D98118023
Verified (Factored)2002-02-03Dennis Pope8BA1AE004F016D98238911
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2019-06-03Daniel BambergerF52AF848B3DDD796131903253
Verified2019-06-04kkmrkkblmbrbkF52AF848B3DDD796122766553
History
DateUserTypeResult
2019-06-04kkmrkkblmbrbkC-PRP
M435569/59128779782347058438524873511 : F52AF848B3DDD796
PRP: Verified
PRP without proof (small exponent)
2019-06-03Daniel BambergerC-PRP
M435569/59128779782347058438524873511 : F52AF848B3DDD796
PRP: Verified
PRP without proof (small exponent)
2019-06-02alexF-ECM
Factor: 59128779782347058438524873511 / (ECM curve 523, B1=250000, B2=25000000, Sigma=704936486358151)
2018-12-12Gordon SpenceNF
no factor from 2^65 to 2^66
2018-01-06BloodERazorNF
no factor from 2^64 to 2^65
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-11-16Gordon SpenceNF
no factor from 2^63 to 2^64
2015-11-16Gordon SpenceNF
no factor from 2^62 to 2^63
2012-12-01dbaughNF
no factor from 2^61 to 2^62
2012-11-27dbaughNF
no factor from 2^60 to 2^61
2012-09-16markrNF-PM1
B1=10000000, B2=400000000, E=12
2010-08-20Rob_DeeNF-PM1
B1=1000000, B2=2000000, E=6
2010-08-19Rob_DeeNF-PM1
B1=500000, B2=1000000
2009-08-26Carsten KossendeyNF-PM1
B1=435569