Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnDetails
5017709
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
541009384391135.7old
39142144367211341.82008-09-30 21:42:19
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
Verified
PRP without proof (not generated)
2017-11-21storm55108C943CB712591D7A2333744053
Verified
PRP without proof (not generated)
2018-01-12kkmrkkblmbrbk8C943CB712591D7A2166157353
History
DateUserTypeResult
2025-01-15Sid & AndyNF-PM1B1=5600000, B2=8313020562
2025-01-01Sid & AndyNFno factor TF: 68-70
2024-05-11cramsey87NF-PM1B1=500000, B2=324995580
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-01-12kkmrkkblmbrbkC-PRPM5017709/54100938439/3914214436721 : 8C943CB712591D7A
2017-11-21storm5510C-PRPM5017709/54100938439/3914214436721 : 8C943CB712591D7A
2008-09-30markrFFactor: 3914214436721