Marin Mersenne 2^P-1
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MnStatusDetails
10700479Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
7154652732872158249432169.32020-08-28 15:38:27
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)2001-11-17Ben Edgington6C0F6B93CDF6653D6328151
Verified (Factored)2004-09-02Shane Sanford6C0F6B93CDF6653D7642630
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-12-21M8909387DAA63B127BE58362185032153
History
DateUserTypeResult
2025-06-18GregF
Factor: 715465273287215824943 / TF: 69-70
2020-12-21Ben DeloCERT
PRP Certification
Proof certified good
2020-12-21M8909387C-PRP
M10700479/715465273287215824943 : DAA63B127BE58362
PRP proof power = 8
PRP: Verified
Proof certified good
2020-08-28ViliamFF
Factor: 715465273287215824943 / TF: 69-70*
2017-12-18ramgeisNF
no factor from 2^68 to 2^69
2017-12-18ramgeisNF
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
2011-10-02James HeinrichNF-PM1
B1=195000, B2=4046250, E=6
2011-09-22James HeinrichNF
no factor from 2^64 to 2^65