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
8320471
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
399382609928.6old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-08ATH44A4FFA13AAEAFEB1707384753
Verified
PRP without proof (not generated)
2020-04-18marssystems44A4FFA13AAEAFEB1109342853
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1375000, B2=2661870120
2020-04-18marssystemsC-PRPM8320471/399382609 : 44A4FFA13AAEAFEB
2018-10-08ATHC-PRPM8320471/399382609 : 44A4FFA13AAEAFEB