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
8328121
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
133249937927.0old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-14Oliver Kruse211D71E8F60F23801557162153
Verified
PRP without proof (not generated)
2020-04-20ATH211D71E8F60F23801492202653
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1390000, B2=2864152200
2020-04-20ATHC-PRPM8328121/133249937 : 211D71E8F60F2380
2018-10-14Oliver KruseC-PRPM8328121/133249937 : 211D71E8F60F2380