Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
2483659Factored
FactorDigitsBitsDate
5902532750893374904092169.02020-05-27 06:51:14
ECM
DigitsB1Curves
255000041 / 280
Estimated T-Level: 20.7 ⓘ
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-04-21Gary Untermeyer937BB45D144E8FC40
Verified (Factored)1999-08-16Stephen Jazdzewski937BB45D144E8FC4936388
Verified (Factored)2018-05-30kkmrkkblmbrbk937BB45D144E8FC4904391
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-05-27M Miller965444BE7CE9601F164987853
Verified2020-05-29Luigi Morelli965444BE7CE9601F1196624353
History
DateUserTypeResult
2020-05-29Luigi MorelliC-PRP
M2483659/590253275089337490409 : 965444BE7CE9601F
PRP: Verified
PRP without proof (not generated)
2020-05-27M MillerC-PRP
M2483659/590253275089337490409 : 965444BE7CE9601F
PRP: Verified
PRP without proof (not generated)
2020-05-27MarkSF-ECM
Factor: 590253275089337490409 / (ECM curve 2, B1=50000, B2=5000000, Sigma=5146017282649345)
2019-07-01TJAOINF
no factor from 2^67 to 2^68
2018-05-30kkmrkkblmbrbkC-LL
937BB45D144E8FC4
2017-07-22Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-10-29ramgeisNF
no factor from 2^65 to 2^66
2015-03-03VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-03VictordeHollanderNF
no factor from 2^63 to 2^64
2014-11-07mikrNF-PM1
B1=2382500, B2=85770100, E=12
2014-09-03JossNF-PM1
B1=120843
2013-08-21David CampeauNF
no factor from 2^62 to 2^63
2012-06-09Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-21Oscar ÖstlinNF-PM1
B1=95000, B2=1947500, E=6
2010-11-20JossNF-PM1
B1=20000
2009-01-15Sturle SundeNF
no factor from 2^60 to 2^61