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
8328109
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
199874617927.6old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-11ATH9A502552278F478C1156075153
Verified
PRP without proof (not generated)
2020-04-22marssystems9A502552278F478C155143753
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1390000, B2=2933603400
2020-04-22marssystemsC-PRPM8328109/199874617 : 9A502552278F478C
2018-10-11ATHC-PRPM8328109/199874617 : 9A502552278F478C