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

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MnStatusDetails
13770467Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
2173654091776758354254130128186515917403941134.02023-07-30 12:07:32
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2002-03-10Christian Huesch796242DC5D7C06D88988747
Verified (Factored)2005-02-18Stephen Wood796242DC5D7C06D813742787
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-08-02Naegi Makoto9B00E37B310A97D21425082753
P-1 factors
DateFactorB1B2
2023-07-302173654091776758354254130128186515917403916000001604717400
History
DateUserTypeResult
2023-08-02curtiscCERT
PRP Certification
Proof certified good
2023-08-02Naegi MakotoC-PRP
M13770467/21736540917767583542541301281865159174039 : 9B00E37B310A97D2
PRP proof power = 8
PRP: Verified
Proof certified good
2023-07-30nordiF-PM1
Factor: 21736540917767583542541301281865159174039 / (P-1, B1=1600000, B2=1604717400)
2023-03-22nordiNF-PM1
B1=1600000
2021-10-01Jon PaceNF
no factor from 2^71 to 2^72
2021-09-04SRBaseNF
no factor from 2^70 to 2^71
2021-08-08SRBaseNF
no factor from 2^69 to 2^70
2018-01-14ramgeisNF
no factor from 2^68 to 2^69
2017-12-23-Anonymous-NF
no factor from 2^67 to 2^68
2015-08-19NesowaNF
no factor from 2^66 to 2^67
2014-07-02NesowaNF
no factor from 2^65 to 2^66