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
9056683Factored
FactorDigitsBitsDate
46175155670132467541592272.02021-03-05 04:32:53
ECM
DigitsB1Curves
25500003 / 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)2000-03-27C. Cooper / S. BooneF9186030B692130C4079369
Verified (Factored)2003-09-14Ars Technica Team Prime RibF9186030B692130C1005968
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2021-03-06Kriesel891A8286114658671833895653
History
DateUserTypeResult
2021-03-06curtiscCERT
PRP Certification
Proof certified good
2021-03-06KrieselC-PRP
M9056683/4617515567013246754159 : 891A828611465867
PRP proof power = 8
PRP: Verified
Proof certified good
2021-03-05Smok_bmv F
Factor: 4617515567013246754159 / TF: 71-72*
2021-03-05Smok_bmv NF
no factor from 2^70 to 2^71
2021-03-05Smok_bmv NF
no factor from 2^69 to 2^70
2019-11-18mnd9NF
no factor from 2^68 to 2^69
2017-01-13snme2pm1NF
no factor from 2^67 to 2^68
2016-03-22snme2pm1NF
no factor from 2^66 to 2^67
2015-05-13VictordeHollanderNF
no factor from 2^65 to 2^66
2013-09-14NesowaNF
no factor from 2^64 to 2^65
2012-05-25Squeeky_SquirrelNF-PM1
B1=110000, B2=2007500, E=6