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

PrimeNet Exponent Status

Exponent Range:





MnDetails
9707861
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
291235831928.1old
732943505511136.12008-09-08 05:34:58
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2019-10-16mnd92D7F7A3D22D783722788396153
Verified
Certified Good
2020-12-24storm55102D7F7A3D22D783722140545553
History
DateUserTypeResult
2020-12-24Theo PolidanoCERT
Proof certified good
2020-12-24storm5510C-PRPM9707861/291235831/73294350551 : 2D7F7A3D22D78372
Proof Certified Good

Proof Power: 8

2019-10-16mnd9C-PRPM9707861/291235831/73294350551 : 2D7F7A3D22D78372
2008-09-08Will EdgingtonFFactor: 73294350551