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
9673913
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
304878205151511444.8old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2019-10-10mnd9E16B90D678FC221E147156553
Verified
Certified Good
2020-12-21storm5510E16B90D678FC221E157948953
History
DateUserTypeResult
2026-01-14Mingye WangNF-PM1B1=1700000, B2=3716998740
2025-12-10Mingye WangNFno factor TF: 68-69
2020-12-21ky0urakuCERT
Proof certified good
2020-12-21storm5510C-PRPM9673913/30487820515151 : E16B90D678FC221E
Proof Certified Good

Proof Power: 8

2019-10-10mnd9C-PRPM9673913/30487820515151 : E16B90D678FC221E