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

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Exponent Range:





MnDetails
5033593
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
336301898719511444.9old
4972570450045431548.82008-09-30 21:42:47
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)
2017-11-22kkmrkkblmbrbk50CDF9521FE239772170240053
Verified
PRP without proof (not generated)
2018-04-25storm551050CDF9521FE239772196549053
History
DateUserTypeResult
2025-02-01Sid & AndyNF-PM1B1=5200000, B2=6532565130
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-PRPM5033593/33630189871951/497257045004543 : 50CDF9521FE23977
2017-11-22kkmrkkblmbrbkC-PRPM5033593/33630189871951/497257045004543 : 50CDF9521FE23977
2008-09-30markrFFactor: 497257045004543