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

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MnStatusDetails
5147069Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
7671332006960692534913947542973379118991941135.82022-07-21 18:37:43
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-09-13Ulrich Wenzel31F34D1CC444A37A0
Verified (Factored)2000-11-15Northwestern College31F34D1CC444A37A572793
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-07-27Poao0227E080FF03BFF31418128353
P-1 factors
DateFactorB1B2
2022-07-217671332006960692534913947542973379118991940000004000000
History
DateUserTypeResult
2025-01-07Sid & AndyNF-PM1
B1=3800000, B2=8344528500
2022-07-27blaqCERT
PRP Certification
Proof certified good
2022-07-27PoaoC-PRP
M5147069/76713320069606925349139475429733791189919 : 0227E080FF03BFF3
PRP proof power = 7
PRP: Verified
Proof certified good
2022-07-21Sid & AndyF-PM1
Factor: 76713320069606925349139475429733791189919 / (P-1, B1=4000000)
2022-01-20mikrNF
no factor from 2^70 to 2^71
2022-01-15Gordon SpenceNF
no factor from 2^69 to 2^70
2020-10-12TJAOINF
no factor from 2^68 to 2^69
2019-05-09USAFSSNF-PM1
B1=305000, B2=9683750, E=12
2018-06-20ramgeisNF
no factor from 2^67 to 2^68
2016-05-28Gordon SpenceNF
no factor from 2^66 to 2^67
2015-08-07snme2pm1NF
no factor from 2^65 to 2^66
2014-12-16VictordeHollanderNF
no factor from 2^64 to 2^65
2014-12-16VictordeHollanderNF
no factor from 2^63 to 2^64
2009-11-14S485122NF
no factor from 2^62 to 2^63
2009-09-24USAFSSNF-PM1
B1=60000, B2=1065000, E=6
2008-10-12Sturle SundeNF
no factor from 2^61 to 2^62