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
5306747
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 266
Factored
FactorDigitsBitsDate
15204870516003345131960.4old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2017-11-25storm551036E25622855FAB8B149377353
Verified
PRP without proof (not generated)
2018-02-03kkmrkkblmbrbk36E25622855FAB8B1316407553
History
DateUserTypeResult
2025-04-05Sid & AndyNFno factor TF: 68-70
2025-03-29Sid & AndyNF-PM1B1=5700000, B2=7179714360
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-02-03kkmrkkblmbrbkC-PRP
M5306747/1520487051600334513 : 36E25622855FAB8B
2017-11-25storm5510C-PRP
M5306747/1520487051600334513 : 36E25622855FAB8B
1998-02-24-anonymous-FFactor: 1520487051600334513