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
2327867Factored
FactorDigitsBitsDate
242098169927.9old
10403935983111339.92008-07-14 20:23:03
4058162428038277157592168.52022-09-29 20:25:26
ECM
DigitsB1Curves
255000078 / 280
Estimated T-Level: 21.4
TF below 2^66 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-11Oliver Kruse0579608A899BFD062013
Verified (Factored)2017-11-23kkmrkkblmbrbk0579608A899BFD06219158613
Verified2022-10-01_p95holder_E0EF32AE9ED8749435123253
Verified2022-10-05Funky WaddleE0EF32AE9ED87494355096553
History
DateUserTypeResult
2022-10-05Chad Steenerson CERT
PRP Certification
Proof certified good
2022-10-05Funky WaddleC-PRP
M2327867/242098169/1040393598311/405816242803827715759 : E0EF32AE9ED87494
PRP proof power = 7
PRP: Verified
Proof certified good
2022-10-01_p95holder_C-PRP
M2327867/242098169/1040393598311/405816242803827715759 : E0EF32AE9ED87494
PRP: Verified
PRP without proof (not generated)
2022-09-29_p95holder_F-ECM
Factor: 405816242803827715759 / (ECM curve 5, B1=50000, B2=5000000)
2021-04-18ViliamFNF-PM1
B1=5000000, B2=305000000
2018-03-05alpertronNF-PM1
B1=500000, B2=15000000, E=12
2017-11-23kkmrkkblmbrbkC-PRP
M2327867/242098169/1040393598311 : 0579608A899BFD06
PRP: Verified
PRP without proof (not generated)
2017-10-11Oliver KruseC-PRP
M2327867/242098169/1040393598311 : 0579608A899BFD06
PRP: Verified
PRP without proof (not generated)
2008-07-14George WoltmanF-ECM
Factor: 1040393598311