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
9697879
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 269
TF target 268
Factored
FactorDigitsBitsDate
799506527833031446.2old
18885091700705082731960.72016-02-29 12:37:14
546330846893156914392065.62019-01-17 13:41:15
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2019-10-21Glenn Raymond Hansen70F4CB3CFB4173E0349584153
Verified
Certified Good
2020-12-23storm551070F4CB3CFB4173E03177172953
History
DateUserTypeResult
2026-01-24Mingye WangNF-PM1B1=1700000, B2=3570687120
2025-12-15Mingye WangNFno factor TF: 68-69
2022-04-09LordJuliusNFno factor TF: 64-65
2020-12-23curtiscCERT
Proof certified good
2020-12-23storm5510C-PRPM9697879/79950652783303/1888509170070508273/54633084689315691439 : 70F4CB3CFB4173E0
Proof Certified Good

Proof Power: 8

2019-10-21Glenn Raymond HansenC-PRPM9697879/79950652783303/1888509170070508273/54633084689315691439 : 70F4CB3CFB4173E0
2019-01-17TJAOIFFactor: 54633084689315691439
2016-02-29TJAOIFFactor: 1888509170070508273