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
9703261
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
573938548955352731755.7old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2019-10-15mnd988B58FA01A6192571908112853
Verified
Certified Good
2020-12-24storm551088B58FA01A6192571703303653
History
DateUserTypeResult
2020-12-24jagravCERT
Proof certified good
2020-12-24storm5510C-PRPM9703261/57393854895535273 : 88B58FA01A619257
Proof Certified Good

Proof Power: 8

2019-10-15mnd9C-PRPM9703261/57393854895535273 : 88B58FA01A619257
1999-05-30-anonymous-FFactor: 57393854895535273