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

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MnStatusDetails
2362963Factored
FactorDigitsBitsDate
92664245490272352814872273.02020-03-30 09:28:06
ECM
DigitsB1Curves
255000042 / 280
Estimated T-Level: 20.8 ⓘ
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Rob FuginaCB08E746C2C9B2DE0
BadGabor Koranyi667D106144772A360
Verified (Factored)1999-04-02Walter BriskenCB08E746C2C9B2DE844195
Verified (Factored)2018-05-11kkmrkkblmbrbkCB08E746C2C9B2DE1418541
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-03-31M MillerFE8270A4C9D8933C1151536653
Verified2020-04-02oodairaFE8270A4C9D8933C1199506253
History
DateUserTypeResult
2020-04-02oodairaC-PRP
M2362963/9266424549027235281487 : FE8270A4C9D8933C
PRP: Verified
PRP without proof (not generated)
2020-03-31M MillerC-PRP
M2362963/9266424549027235281487 : FE8270A4C9D8933C
PRP: Verified
PRP without proof (not generated)
2020-03-30mnd9F-ECM
Factor: 9266424549027235281487 / (ECM curve 3, B1=50000, B2=5000000, Sigma=6521564084641101)
2019-04-15TJAOINF
no factor from 2^67 to 2^68
2018-05-11kkmrkkblmbrbkC-LL
CB08E746C2C9B2DE
2017-06-13Gordon 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
2015-08-30mikrNF-PM1
B1=3000000, B2=100000000, E=12
2015-03-09VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-09VictordeHollanderNF
no factor from 2^63 to 2^64
2014-10-22JossNF-PM1
B1=144326
2014-08-07JossNF-PM1
B1=117163
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-05-30Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-22Oscar ÖstlinNF-PM1
B1=90000, B2=1822500, E=6
2010-12-23Oscar ÖstlinNF-PM1
B1=75011
2010-11-03JossNF-PM1
B1=20000
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61