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
5082617
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
19667544762796255511960.8old
46642411925113880928492272.02025-01-11 13:22:26
P-1 factors
DateFactorsB1B2
2025-01-114664241192511388092849
36000009117768660
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbk56C309027EC94FED1013
Factored
PRP without proof (not generated)
2018-05-01storm551056C309027EC94FED1365404113
Verified
Certified Good
2025-01-17dnova58AC30394E6BB1312273219953
History
DateUserTypeResult
2025-01-21Sid & AndyNFno factor TF: 68-70
2025-01-17Wentao HuangCERT
Proof certified good
2025-01-17dnovaC-PRPM5082617/1966754476279625551/4664241192511388092849 : 58AC30394E6BB131
Proof Certified Good

Proof Power: 7

2025-01-11Sid & AndyF-PM1Factor: 4664241192511388092849 / B1=3600000, B2=9117768660
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-01storm5510C-PRPM5082617/1966754476279625551 : 56C309027EC94FED
2017-09-20kkmrkkblmbrbkC-PRPM5082617/1966754476279625551 : 56C309027EC94FED