Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
9431Factored
FactorDigitsBitsDate
679033619.4old
207698856602631444.2old
450973536435191445.4old
35170317212197928711961.6old
27610795370147870136320412581.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001281 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse9A93203288879B995013
Verified2017-10-02kkmrkkblmbrbk9A93203288879B995013
Verified2017-12-07ATH9A93203288879B995583613
Unverified2020-04-17Oliver Kruse8A9EFD080FE150__580053
History
DateUserTypeResult
2023-07-01JacobZNF-PM1
B1=61000000000, B2=254995794420917550
2021-08-27Seth_TrNF-PM1
B1=400000000
2021-08-27Seth_TrNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M9431/679033/20769885660263/45097353643519/3517031721219792871/2761079537014787013632041 : 8A9EFD080FE150__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M9431/679033/20769885660263/45097353643519/3517031721219792871/2761079537014787013632041 : 9A93203288879B99
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M9431/679033/20769885660263/45097353643519/3517031721219792871/2761079537014787013632041 : 9A93203288879B99
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9431/known_factors : 9A93203288879B99
PRP without proof (not generated)