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
6741563
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
505347562491135.6old
192856162403531444.12008-09-30 21:53:27
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-01-07Oliver Kruse07AC3F4651AF02332375176653
Verified
PRP without proof (not generated)
2018-12-08storm551007AC3F4651AF0233239584953
History
DateUserTypeResult
2023-12-23Stef42NF-PM1B1=284000, B2=449085000
2018-12-08storm5510C-PRPM6741563/50534756249/19285616240353 : 07AC3F4651AF0233
2018-01-07Oliver KruseC-PRPM6741563/50534756249/19285616240353 : 07AC3F4651AF0233
2008-09-30markrFFactor: 19285616240353