Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2401579Factored
FactorDigitsBitsDate
8590792338946036525590072479.52020-09-04 16:38:09
ECM
DigitsB1Curves
255000081 / 280
Estimated T-Level: 21.4 ⓘ
TF below 2^66 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Bo Asklund6D9ACDBF5B2E816E0
BadRob Hooft6D9ACDBF5B2E816D0
Verified (Factored)2003-09-21Gord Palameta6D9ACDBF5B2E816E574893
Verified (Factored)2015-03-28MadPoo6D9ACDBF5B2E816E155189
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-09-07fre_games0824A42222FDE8C5177541253
Verified2020-09-08marssystems0824A42222FDE8C5156349553
History
DateUserTypeResult
2020-09-08marssystemsC-PRP
M2401579/859079233894603652559007 : 0824A42222FDE8C5
PRP: Verified
PRP without proof (not generated)
2020-09-07fre_gamesC-PRP
M2401579/859079233894603652559007 : 0824A42222FDE8C5
PRP: Verified
PRP without proof (not generated)
2020-09-04rextheruntF-ECM
Factor: 859079233894603652559007 / (ECM curve 3, B1=50000, B2=5000000)
2019-01-29YxinityNF
no factor from 2^69 to 2^70
2019-01-17Anton RepkoNF
no factor from 2^67 to 2^69
2017-06-29Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-10-21ramgeisNF
no factor from 2^65 to 2^66
2015-03-28MadPooC-LL
6D9ACDBF5B2E816E
2015-02-27VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-27VictordeHollanderNF
no factor from 2^63 to 2^64
2014-02-15mikrNF-PM1
B1=3102822, B2=43439508, E=12
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-06-03Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-23Oscar ÖstlinNF-PM1
B1=90000, B2=1845000, E=6
2011-01-01Oscar ÖstlinNF-PM1
B1=75011
2010-11-16JossNF-PM1
B1=20000
2009-01-15Sturle SundeNF
no factor from 2^60 to 2^61