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
6742249
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
4267034547131238.6old
275949329126631444.62008-09-30 21:53:27
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-01-07Oliver Kruse20DCC8884F54955F2590945553
Verified
PRP without proof (not generated)
2018-12-08storm551020DCC8884F54955F2412109253
History
DateUserTypeResult
2023-12-23Stef42NF-PM1B1=284000, B2=449085000
2018-12-08storm5510C-PRPM6742249/426703454713/27594932912663 : 20DCC8884F54955F
2018-01-07Oliver KruseC-PRPM6742249/426703454713/27594932912663 : 20DCC8884F54955F
2008-09-30markrFFactor: 27594932912663