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
5506507
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 266
Factored
FactorDigitsBitsDate
99117127826.6old
24756420019471713291961.12016-04-01 11:20:57
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-12-04kkmrkkblmbrbk41F0144592720AAB286253053
Verified
PRP without proof (not generated)
2018-07-01storm551041F0144592720AAB2488304453
History
DateUserTypeResult
2025-06-01Sid & AndyNF-PM1B1=4700000, B2=7611542400
2025-05-04Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-07-01storm5510C-PRPM5506507/99117127/2475642001947171329 : 41F0144592720AAB
2017-12-04kkmrkkblmbrbkC-PRPM5506507/99117127/2475642001947171329 : 41F0144592720AAB
2016-04-01TJAOIFFactor: 2475642001947171329