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

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Exponent Range:










MnStatusDetails
1168411Factored
FactorDigitsBitsDate
7464434194203793991859.42007-10-11 18:03:58
31845450131204577191961.52016-04-29 11:26:25
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 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)David SlowinskiB660
Verified (Factored)Hal Murray2B000174C1E02B660
Verified (Factored)2002-11-02S574832B000174C1E02B66576616
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-29Oliver Kruse60D4D0993DC9F3362013
Verified2017-10-17Oliver Kruse60D4D0993DC9F3362111453813
Verified2018-01-06ATH60D4D0993DC9F3362116383513
History
DateUserTypeResult
2022-04-12LordJuliusNF
no factor from 2^63 to 2^64
2022-04-12LordJuliusNF
no factor from 2^62 to 2^63
2018-01-06ATHC-PRP
M1168411/746443419420379399/3184545013120457719 : 60D4D0993DC9F336
PRP: Verified
PRP without proof (not generated)
2017-10-17Oliver KruseC-PRP
M1168411/746443419420379399/3184545013120457719 : 60D4D0993DC9F336
PRP: Verified
PRP without proof (not generated)
2017-09-29Oliver KruseC-PRP
M1168411/746443419420379399/3184545013120457719 : 60D4D0993DC9F336
PRP: Verified
PRP without proof (not generated)
2016-04-29TJAOIF
Factor: 3184545013120457719 / TF: 61-62
2007-10-11James HeinrichF-ECM
Factor: 746443419420379399