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
5071709
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
33367918905760571651.6old
4803616230476364332892168.72025-01-17 23:59:40
78852140976607941320572272.72025-02-20 08:34:20
P-1 factors
DateFactorsB1B2
2025-02-21No new factors discovered51000007317849000
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)
2017-09-20kkmrkkblmbrbk9E95478C0B573A971013
Factored
PRP without proof (not generated)
2018-05-01storm55109E95478C0B573A971264154913
Factored
Certified Good
2025-01-26Jason LynchE38777F0CF1BFCDB2107942553
Verified
Certified Good
2025-02-25PerigE38777F0CF1BFCDB3220893053
History
DateUserTypeResult
2025-02-25Oliver KruseCERT
Proof certified good
2025-02-25PerigC-PRPM5071709/3336791890576057/480361623047636433289/7885214097660794132057 : E38777F0CF1BFCDB
Proof Certified Good

Proof Power: 7

2025-02-20Sid & AndyF-PM1Factors: 480361623047636433289,7885214097660794132057 / B1=5100000, B2=7317849000
2025-01-260xCERT
Proof certified good
2025-01-26Jason LynchC-PRPM5071709/3336791890576057/480361623047636433289 : E38777F0CF1BFCDB
Proof Certified Good

Proof Power: 7

2025-01-17Sid & AndyFFactor: 480361623047636433289 / TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-01storm5510C-PRPM5071709/3336791890576057 : 9E95478C0B573A97
2017-09-20kkmrkkblmbrbkC-PRPM5071709/3336791890576057 : 9E95478C0B573A97