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
10570321
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
337396519040569746272872374.8old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
Certified Good
2020-10-13storm5510A1548B136CD7A7D8110436253
History
DateUserTypeResult
2026-03-27Sid & AndyNF-PM1B1=1700000, B2=1921227000
2020-10-13curtiscCERT
Proof certified good
2020-10-13storm5510C-PRP
Proof Certified Good

Proof Power: 8

2000-07-03-anonymous-F-PM1Factor: 33739651904056974627287
1999-10-07-anonymous-NFno factor TF: 1-64