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
6741421
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
1648142606091237.3old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-01-07Oliver Kruse2E5827EBB65DBFD91669122453
Verified
PRP without proof (not generated)
2018-12-07storm55102E5827EBB65DBFD91321703753
History
DateUserTypeResult
2023-12-26Stef42NF-PM1B1=507000, B2=1060788300
2018-12-07storm5510C-PRPM6741421/164814260609 : 2E5827EBB65DBFD9
2018-01-07Oliver KruseC-PRPM6741421/164814260609 : 2E5827EBB65DBFD9