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

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MnStatusDetails
12536653Factored
FactorDigitsBitsDate
10633113874498205775492089087079132307216742136.32023-02-22 04:25:21
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-09-10Stephen Wood1645D41F6A1B793412154406
Verified (Factored)2001-12-22Ars Technica Team Prime Rib1645D41F6A1B79348947287
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-02-24Naegi Makoto37BE65DF42DBCF1C156628653
P-1 factors
DateFactorB1B2
2023-02-22106331138744982057754920890870791323072167300000012055090740
History
DateUserTypeResult
2023-02-24kutensCERT
PRP Certification
Proof certified good
2023-02-24Naegi MakotoC-PRP
M12536653/106331138744982057754920890870791323072167 : 37BE65DF42DBCF1C
PRP proof power = 8
PRP: Verified
Proof certified good
2023-02-22Naegi MakotoF-PM1
Factor: 106331138744982057754920890870791323072167 / (P-1, B1=3000000, B2=12055090740)
2021-10-22-Anonymous-NF
no factor from 2^71 to 2^72
2021-08-28SRBaseNF
no factor from 2^70 to 2^71
2021-08-07SRBaseNF
no factor from 2^69 to 2^70
2017-12-16ramgeisNF
no factor from 2^68 to 2^69
2017-12-16ramgeisNF
no factor from 2^67 to 2^68
2015-10-11ThaNF-PM1
B1=300000, B2=6000000, E=12
2015-03-23ThaNF
no factor from 2^66 to 2^67
2014-03-28NesowaNF
no factor from 2^65 to 2^66
2013-06-19lycornNF
no factor from 2^64 to 2^65