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
8964217
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
573709889929.1old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2019-04-30storm55104580DF278815651B1679852853
Verified
PRP without proof (not generated)
2020-09-29MarkS4580DF278815651B1410079453
History
DateUserTypeResult
2024-11-30Stef42NF-PM1B1=2577000, B2=3627369900
2020-09-29MarkSC-PRPM8964217/573709889 : 4580DF278815651B
2019-04-30storm5510C-PRPM8964217/573709889 : 4580DF278815651B