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

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Exponent Range:










MnStatusDetails
7395587Factored
FactorDigitsBitsDate
1630651035313827590364539320113732103.72022-01-29 09:20:54
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1999-06-15Michael T. NelsonB4D7929BCCEA60382787291
Verified (Factored)2002-08-03Peter MaderaB4D7929BCCEA60387127257
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-01-30Oliver Kruse235529540E23E9871645850753
P-1 factors
DateFactorB1B2
2022-01-29163065103531382759036453932011375000001041945450
History
DateUserTypeResult
2022-01-30freiburgerCERT
PRP Certification
Proof certified good
2022-01-30Oliver KruseC-PRP
M7395587/16306510353138275903645393201137 : 235529540E23E987
PRP proof power = 8
PRP: Verified
Proof certified good
2022-01-29Oliver KruseF-PM1
Factor: 16306510353138275903645393201137 / (P-1, B1=500000, B2=1041945450)
2021-09-28SRBaseNF
no factor from 2^71 to 2^72
2021-08-31SRBaseNF
no factor from 2^70 to 2^71
2021-08-19SRBaseNF
no factor from 2^69 to 2^70
2020-02-28TJAOINF
no factor from 2^68 to 2^69
2018-07-23ramgeisNF
no factor from 2^67 to 2^68
2016-10-10Gordon SpenceNF
no factor from 2^66 to 2^67
2015-06-21VictordeHollanderNF
no factor from 2^65 to 2^66
2013-11-24David CampeauNF
no factor from 2^64 to 2^65
2013-10-28NesowaNF
no factor from 2^63 to 2^64
2011-04-16James HeinrichNF-PM1
B1=140000, B2=3080000, E=6