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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MnDetails
2586959
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
130382733611133.6old
91728443961191343.12008-09-30 14:37:15
ECM
DigitsB1Curves
2550000161 / 280
Estimated T-Level: 22.9 ⓘ
TF below 2^71 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-15Oliver KruseA50182AEF9ABD7F22202580753
Verified
PRP without proof (not generated)
2017-12-02storm5510A50182AEF9ABD7F22184587453
History
DateUserTypeResult
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-12-02storm5510C-PRP
M2586959/13038273361/9172844396119 : A50182AEF9ABD7F2
2017-10-15Oliver KruseC-PRP
M2586959/13038273361/9172844396119 : A50182AEF9ABD7F2
2008-09-30markrFFactor: 9172844396119