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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MnStatusDetails
4600901Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
50057802891032.2old
25452460386071341.22008-09-30 21:35:46
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-20kkmrkkblmbrbkEF5E496880963CDD2013
Verified2018-02-26Oliver KruseEF5E496880963CDD27199713
History
DateUserTypeResult
2022-09-19USAFSSNF-PM1
B1=400000, B2=259554750
2018-02-26Oliver KruseC-PRP
M4600901/5005780289/2545246038607 : EF5E496880963CDD
PRP: Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M4600901/2545246038607/5005780289 : EF5E496880963CDD
PRP: Verified
PRP without proof (not generated)
2008-09-30markrF
Factor: 2545246038607