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
11196881
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
27544327271031.4old
993702586488971446.52008-09-08 07:27:29
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2021-06-05Tucker KaoCB7FF9F92F7299142349330313
Verified
PRP without proof (not generated)
2021-06-07LaurVCB7FF9F92F729914252218013
History
DateUserTypeResult
2021-08-02FlaukrotistNFno factor TF: 66-67
2021-06-07LaurVC-PRPM11196881/2754432727/99370258648897 : CB7FF9F92F729914
2021-06-06Team_InspectorNFno factor TF: 65-66
2021-06-05Team_InspectorNFno factor TF: 64-65
2021-06-05Team_InspectorNFno factor TF: 63-64
2021-06-05Team_InspectorNFno factor TF: 62-63
2021-06-05Team_InspectorNFno factor TF: 61-62
2021-06-05Team_InspectorNFno factor TF: 60-61
2021-06-05Team_InspectorNFno factor TF: 47-60
2021-06-05Tucker KaoC-PRPM11196881/2754432727/99370258648897 : CB7FF9F92F729914
2021-06-05Tucker KaoNFno factor TF: 67-68
2008-09-08Will EdgingtonFFactor: 99370258648897