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

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MnStatusDetails
3324491Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
710260151188350479659708323858176101876940132.42023-05-09 02:08:41
ECM
DigitsB1Curves
255000088 / 280
Estimated T-Level: 21.6 ⓘ
TF below 2^67 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Adrian Powell36A0
Verified (Factored)1998-05-08Jan Neuhaus3B4C5D35702F836A0
Verified (Factored)2001-12-22S574833B4C5D35702F836A336121
Verified (Factored)2017-06-10kkmrkkblmbrbk3B4C5D35702F836A1904394
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-05-09Naegi MakotoAB94C6E36CB15C26122792053
P-1 factors
DateFactorB1B2
2023-05-097102601511883504796597083238581761018769630000022713580890
History
DateUserTypeResult
2023-05-09James HeinrichCERT
PRP Certification
Proof certified good
2023-05-09Naegi MakotoC-PRP
M3324491/7102601511883504796597083238581761018769 : AB94C6E36CB15C26
PRP proof power = 7
PRP: Verified
Proof certified good
2023-05-09Sid & AndyF-PM1
Factor: 7102601511883504796597083238581761018769 / (P-1, B1=6300000, B2=22713580890)
2023-05-08JossNF-PM1
B1=1000000, B2=962851890
2022-08-30TJAOINF
no factor from 2^69 to 2^70
2021-08-05MadPooNF
no factor from 2^68 to 2^69
2020-05-03mikrNF-PM1
B1=4000000, B2=150000000, E=12
2018-11-19TJAOINF
no factor from 2^67 to 2^68
2017-06-10kkmrkkblmbrbkC-LL
3B4C5D35702F836A
2017-02-27Gordon SpenceNF
no factor from 2^66 to 2^67
2016-03-02ramgeisNF
no factor from 2^65 to 2^66
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-12-05HBendtzNF-PM1
B1=500000, B2=12000000, e=12
2015-02-11VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-11VictordeHollanderNF
no factor from 2^63 to 2^64
2014-09-23JossNF-PM1
B1=94306
2012-08-25GrunwalderGIMPNF
no factor from 2^1 to 2^63
2011-09-06markrNF
no factor from 2^61 to 2^62
2009-03-29S485122NF
no factor from 2^60 to 2^61