Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnDetails
6750217
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
386087031584091445.1old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-01-07Oliver Kruse39C8BB1451DE66471518616753
Verified
PRP without proof (not generated)
2018-12-10storm551039C8BB1451DE66471517478753
History
DateUserTypeResult
2023-12-24Stef42NF-PM1B1=284000, B2=449085000
2018-12-10storm5510C-PRPM6750217/38608703158409 : 39C8BB1451DE6647
2018-01-07Oliver KruseC-PRPM6750217/38608703158409 : 39C8BB1451DE6647