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
3083023Factored
FactorDigitsBitsDate
17074964467498314037365974918979324052739127.02023-01-05 21:38:06
ECM
DigitsB1Curves
2550000280 / 280
30250000157 / 640
Estimated T-Level: 26.2 ⓘ
TF below 2^82 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)George WoltmanB1DFECCDBD40DD2F0
Bad1999-05-30Patrick705713D90FBB77611675964
Verified (Factored)1999-09-22Ladislav SladecekB1DFECCDBD40DD2F779108
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-01-07LordJulius13967931F8BE0613124203953
P-1 factors
DateFactorB1B2
2023-01-05170749644674983140373659749189793240527900000023050959750
History
DateUserTypeResult
2023-01-07CavalicoCERT
PRP Certification
Proof certified good
2023-01-07LordJuliusC-PRP
M3083023/170749644674983140373659749189793240527 : 13967931F8BE0613
PRP proof power = 7
PRP: Verified
Proof certified good
2023-01-05Sid & AndyF-PM1
Factor: 170749644674983140373659749189793240527 / (P-1, B1=9000000, B2=23050959750)
2022-05-31mikrNF
no factor from 2^69 to 2^70
2021-03-10TJAOINF
no factor from 2^68 to 2^69
2018-08-10ramgeisNF
no factor from 2^67 to 2^68
2018-03-19mikrNF-PM1
B1=3000000, B2=100000000, E=12
2017-05-18Gordon SpenceNF
no factor from 2^66 to 2^67
2016-04-14JossNF-PM1
B1=200000, B2=6188987, E=6
2015-06-08ThaNF
no factor from 2^65 to 2^66
2015-02-07VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-07VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2011-11-12Sid & AndyNF
no factor from 2^61 to 2^62
2011-08-18USAFSSNF-PM1
B1=100000, B2=2125000, E=6
2009-02-12Sturle SundeNF
no factor from 2^60 to 2^61
2008-10-29Jayson KingNF-PM1
B1=40000, B2=640000, E=6