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

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Exponent Range:










MnStatusDetails
3294287Factored
FactorDigitsBitsDate
573067293675386196012065.62013-11-07 12:45:41
ECM
DigitsB1Curves
25500006 / 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)Kevin D. Quitt6769F160BCAA26B40
Verified (Factored)1999-09-22EDNY6769F160BCAA26B4209209
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-11-03Oliver Kruse4D527D95B3468E3B1254992753
Verified2017-12-14kkmrkkblmbrbk4D527D95B3468E3B1108327753
P-1 factors
DateFactorB1B2
2013-11-0757306729367538619601113500036320000
History
DateUserTypeResult
2022-08-17JossNF-PM1
B1=3294287, B2=353686410
2022-04-19LordJuliusNF
no factor from 2^66 to 2^67
2022-04-19LordJuliusNF
no factor from 2^64 to 2^65
2022-04-19LordJuliusNF
no factor from 2^63 to 2^64
2022-04-19LordJuliusNF
no factor from 2^62 to 2^63
2022-04-19LordJuliusNF
no factor from 2^1 to 2^62
2021-12-19JossNF-PM1
B1=3294287, B2=109008900
2021-07-11JossNF
no factor from 2^67 to 2^68
2021-07-11JossNF-PM1
B1=3294287
2021-01-01JossNF-PM1
B1=329428, B2=3294287, E=6
2020-12-25JossNF-PM1
B1=109809
2017-12-14kkmrkkblmbrbkC-PRP
M3294287/57306729367538619601 : 4D527D95B3468E3B
PRP: Verified
PRP without proof (not generated)
2017-11-03Oliver KruseC-PRP
M3294287/57306729367538619601 : 4D527D95B3468E3B
PRP: Verified
PRP without proof (not generated)
2013-11-07David CampeauF-PM1
Factor: 57306729367538619601