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

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MnStatusDetails
9344707Factored
FactorDigitsBitsDate
77967336218476134785212272.72014-07-22 12:37:26
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)2000-09-15Lars Geisler90ABA431111BF2416246256
Verified (Factored)2003-05-11Paul Victor Novarese90ABA431111BF2416403544
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2019-08-28mnd9F0A8FA749BBCAF5E1119566053
Verified2020-11-16kutensF0A8FA749BBCAF5E1549465153
History
DateUserTypeResult
2020-11-16curtiscCERT
PRP Certification
Proof certified good
2020-11-16kutensC-PRP
M9344707/7796733621847613478521 : F0A8FA749BBCAF5E
PRP proof power = 8
PRP: Verified
Proof certified good
2019-08-28mnd9C-PRP
M9344707/7796733621847613478521 : F0A8FA749BBCAF5E
PRP: Verified
PRP without proof (not generated)
2014-07-22swildnerF-ECM
Factor: 7796733621847613478521 / (ECM curve 2, B1=50000, B2=5000000)
2013-09-06NesowaNF
no factor from 2^64 to 2^65
2012-08-21James HeinrichNF-PM1
B1=175000, B2=3850000, E=6