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

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MnStatusDetails
10705883Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
9798398509633151646789912479.72024-03-22 16:23:41
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2001-07-17Hardy Garten57286593C0668D323150836
Verified (Factored)2004-03-26Alexey Chasovnikov57286593C0668D324433803
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-03-28PerigD87219F8AED2B9171412997253
P-1 factors
DateFactorB1B2
2024-03-2297983985096331516467899122000001683437580
History
DateUserTypeResult
2024-03-28Cameran430CERT
PRP Certification
Proof certified good
2024-03-28PerigC-PRP
M10705883/979839850963315164678991 : D87219F8AED2B917
PRP proof power = 8
PRP: Verified
Proof certified good
2024-03-22Sid & AndyF-PM1
Factor: 979839850963315164678991 / (P-1, B1=2200000, B2=1683437580)
2022-03-06-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-29SRBaseNF
no factor from 2^71 to 2^72
2021-08-14SRBaseNF
no factor from 2^70 to 2^71
2020-12-02ViliamFNF-PM1
B1=1000000, B2=30000000
2020-08-29ViliamFNF
no factor from 2^69 to 2^70
2017-12-19ramgeisNF
no factor from 2^68 to 2^69
2017-12-19ramgeisNF
no factor from 2^67 to 2^68
2015-11-23VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-12ThaNF
no factor from 2^65 to 2^66
2013-12-12lycornNF
no factor from 2^64 to 2^65