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
10489657
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
1897998537591237.5old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
Certified Good
2020-08-19storm55103F75731EF8350AEC1478025453
History
DateUserTypeResult
2026-03-17Sid & AndyNF-PM1B1=1700000, B2=1903266750
2020-08-19Chun sung sooCERT
Proof certified good
2020-08-19storm5510C-PRP
Proof Certified Good

Proof Power: 8