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
5312851
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 266
Factored
FactorDigitsBitsDate
2504265447371237.9old
4256762478231238.62008-09-08 01:31:28
9166195207148471549.72008-09-30 21:44:38
5552846927629122092172168.92025-03-08 08:33:02
P-1 factors
DateFactorsB1B2
2025-03-08555284692762912209217
52000007742623350
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2017-11-25storm5510ED6ACC85B895E6373240160453
Factored
PRP without proof (not generated)
2018-02-05kkmrkkblmbrbkED6ACC85B895E637326491153
Verified
Certified Good
2025-03-14xyuzyzED6ACC85B895E6374504698653
History
DateUserTypeResult
2025-04-07Sid & AndyFFactor: 555284692762912209217 / TF: 68-70
2025-03-14Chun sung sooCERT
Proof certified good
2025-03-14xyuzyzC-PRPM5312851/250426544737/425676247823/916619520714847/555284692762912209217 : ED6ACC85B895E637
Proof Certified Good

Proof Power: 7

2025-03-08Sid & AndyF-PM1Factor: 555284692762912209217 / B1=5200000, B2=7742623350
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-02-05kkmrkkblmbrbkC-PRPM5312851/250426544737/425676247823/916619520714847 : ED6ACC85B895E637
2017-11-25storm5510C-PRPM5312851/250426544737/425676247823/916619520714847 : ED6ACC85B895E637
2008-09-30markrFFactor: 916619520714847
2008-09-08Will EdgingtonFFactor: 425676247823