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
1369339Factored
FactorDigitsBitsDate
2546311115829126514972167.82014-03-28 12:55:24
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Tom Cage98359B14FD2D6FD80
Verified (Factored)Cornelius Caesar98359B14FD2D6FD80
Verified (Factored)Brian J. Beesley98359B14FD2D6FD8701302
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-30Oliver Kruse404F22817BEA84B81013
Verified2017-10-24kkmrkkblmbrbk404F22817BEA84B8167485113
History
DateUserTypeResult
2024-03-16cramsey87NF-PM1
B1=5000000, B2=30176095950
2022-03-07LordJuliusNF
no factor from 2^59 to 2^60
2017-10-24kkmrkkblmbrbkC-PRP
M1369339/254631111582912651497 : 404F22817BEA84B8
PRP: Verified
PRP without proof (not generated)
2017-09-30Oliver KruseC-PRP
M1369339/254631111582912651497 : 404F22817BEA84B8
PRP: Verified
PRP without proof (not generated)
2014-03-28Never Odd Or EvenF
Factor: 254631111582912651497 / TF: 67-68
2014-02-11Never Odd Or EvenNF
no factor from 2^69 to 2^70
2014-02-11Never Odd Or EvenNF
no factor from 2^68 to 2^69
2014-02-11Never Odd Or EvenNF
no factor from 2^67 to 2^68
2014-02-11Never Odd Or EvenNF
no factor from 2^66 to 2^67
2014-02-11Never Odd Or EvenNF
no factor from 2^65 to 2^66
2013-10-26David CampeauNF
no factor from 2^64 to 2^65
2011-09-30BdotNF
no factor from 2^61 to 2^64
2009-04-14Sturle SundeNF
no factor from 2^60 to 2^61