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
8320693
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
27791114631031.4old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-09trebor30B6E9F19160CA881798031453
Verified
PRP without proof (not generated)
2020-04-18marssystems30B6E9F19160CA881433577553
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1375000, B2=2725257990
2020-04-18marssystemsC-PRPM8320693/2779111463 : 30B6E9F19160CA88
2018-10-09treborC-PRPM8320693/2779111463 : 30B6E9F19160CA88