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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Exponent Range:










MnStatusDetails
1156807Factored
FactorDigitsBitsDate
381746311928.5old
69524100711032.72008-07-15 09:56:00
145965907271133.82008-07-15 09:56:00
1298366050993511546.92014-02-20 11:52:35
77092896500859771652.82014-08-23 11:30:04
350418849634373094492064.92017-07-21 13:31:34
119631241365629399297426872683.32018-05-25 15:38:41
156618946958800874191237432683.72018-05-25 15:38:41
ECM
DigitsB1Curves
2550000280 / 280
30250000200 / 640
Estimated T-Level: 26.6 ⓘ
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-28alpertron1AC5CA9CA3C247246013
Verified (Factored)2017-10-17Oliver Kruse1AC5CA9CA3C24724680383113
Verified2018-05-25axnED9EE9B77870F224888454253
Verified2018-05-27Oliver KruseED9EE9B77870F224887342353
History
DateUserTypeResult
2022-11-16LordJuliusNF
no factor from 2^63 to 2^64
2022-11-16LordJuliusNF
no factor from 2^62 to 2^63
2022-11-16LordJuliusNF
no factor from 2^61 to 2^62
2021-08-06Seth_TrNF
no factor from 2^66 to 2^67
2021-03-23Seth_TrNF-PM1
B1=200000000, B2=38200000000
2021-03-11Seth_TrNF-PM1
B1=50000000, B2=9050000000
2019-12-21Seth_TrNF
no factor from 2^67 to 2^68
2019-12-06Seth_TrNF
no factor from 2^65 to 2^66
2018-05-27Oliver KruseC-PRP
M1156807/381746311/14596590727/6952410071/129836605099351/7709289650085977/35041884963437309449/15661894695880087419123743/11963124136562939929742687 : ED9EE9B77870F224
PRP: Verified
PRP without proof (not generated)
2018-05-25axnC-PRP
M1156807/381746311/14596590727/6952410071/129836605099351/7709289650085977/35041884963437309449/15661894695880087419123743/11963124136562939929742687 : ED9EE9B77870F224
PRP: Verified
PRP without proof (not generated)
2018-05-25TJAOIF-ECM
Factor: 11963124136562939929742687 / (ECM curve 80, B1=50000, B2=5000000)
2018-05-25TJAOIF-ECM
Factor: 15661894695880087419123743 / (ECM curve 32, B1=50000, B2=5000000)
2017-10-17Oliver KruseC-PRP
M1156807/381746311/14596590727/6952410071/129836605099351/7709289650085977/35041884963437309449 : 1AC5CA9CA3C24724
PRP: Verified
PRP without proof (not generated)
2017-09-28alpertronC-PRP
M1156807/129836605099351/14596590727/35041884963437309449/381746311/6952410071/7709289650085977 : 1AC5CA9CA3C24724
PRP: Verified
PRP without proof (not generated)
2017-07-21TJAOIF-ECM
Factor: 35041884963437309449 / (ECM curve 8, B1=50000, B2=5000000)
2016-03-17alpertronNF-PM1
B1=300000, B2=10000000, E=12
2014-08-23TJAOIF
Factor: 7709289650085977
2014-02-20TJAOIF
Factor: 129836605099351
2008-07-15J FeitsmaF
Factor: 6952410071
2008-07-15J FeitsmaF
Factor: 14596590727