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
2262817Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
14663054171030.4old
7416395162993511549.42014-04-29 11:19:04
ECM
DigitsB1Curves
2550000280 / 280
30250000140 / 640
Estimated T-Level: 26.1
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-10-12kkmrkkblmbrbkBEE75D99A35312B22135617353
Verified2017-10-29Oliver KruseBEE75D99A35312B2240394953
History
DateUserTypeResult
2017-10-29Oliver KruseC-PRP
M2262817/1466305417/741639516299351 : BEE75D99A35312B2
PRP: Verified
PRP without proof (not generated)
2017-10-12kkmrkkblmbrbkC-PRP
M2262817/1466305417/741639516299351 : BEE75D99A35312B2
PRP: Verified
PRP without proof (not generated)
2016-04-18alpertronNF-PM1
B1=500000, B2=15000000, E=12
2014-04-29TJAOIF
Factor: 741639516299351