Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnDetails
5033503
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
805360481929.6old
15516578357991340.52008-09-08 00:22:36
129598807365638571753.52014-09-28 11:18:20
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)
2017-10-15kkmrkkblmbrbkDA54BE60D1BDF8503407261253
Verified
PRP without proof (not generated)
2018-04-25storm5510DA54BE60D1BDF8503323879353
History
DateUserTypeResult
2025-02-01Sid & AndyNF-PM1B1=5200000, B2=6886545120
2025-01-06Sid & AndyNFno factor TF: 68-70
2024-05-11cramsey87NF-PM1B1=500000, B2=324995580
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-04-25storm5510C-PRPM5033503/805360481/1551657835799/12959880736563857 : DA54BE60D1BDF850
2017-10-15kkmrkkblmbrbkC-PRPM5033503/805360481/1551657835799/12959880736563857 : DA54BE60D1BDF850
2014-09-28TJAOIFFactor: 12959880736563857
2008-09-08Will EdgingtonFFactor: 1551657835799