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
8333999
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
16667999824.0old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-14Oliver Kruse0C14AC0E9CF1ADE71299456953
Verified
PRP without proof (not generated)
2020-04-25arnaud0C14AC0E9CF1ADE71718735553
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-25arnaudC-PRPM8333999/16667999 : 0C14AC0E9CF1ADE7
2018-10-14Oliver KruseC-PRPM8333999/16667999 : 0C14AC0E9CF1ADE7