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

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Exponent Range:





MnDetails
10499
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
140288477931133.7old
74874213184567991652.72008-08-26 19:58:31
10211440956632748188073512452390333106.32008-10-16 23:57:25
14130111094444703908106699516411933106.82010-02-01 03:58:46
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000003379 / 16550
Estimated T-Level: 46.0 ⓘ
TF below 2^148 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver Kruse65FD9AEEC0190ED64013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbk65FD9AEEC0190ED64013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk65FD9AEEC0190ED64640013
Verified
No proof (small exponent)
2020-04-17Oliver Kruse70A96FD54C71F3E74966753
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk70A96FD54C71F3E74298453
History
DateUserTypeResult
2025-02-25masserNF-PP1Start=176/67, B1=640000000, B2=639360000000
2025-02-18masserNF-PP1Start=6/5, B1=640000000, B2=639360000000
2025-01-29masserNF-PP1Start=2/7, B1=640000000, B2=639360000000
2024-07-01kkmrkkblmbrbkC-PRPM10499/102114409566327481880735124523903/14028847793/141301110944447039081066995164119/7487421318456799 : 70A96FD54C71F3E7
2022-11-09-anonymous-NF-PM1B1=100000000000, B2=120443211520241610
2021-08-02ViliamFNF-PM1B1=250000000, B2=40250000000
2020-04-17Oliver KruseC-PRPM10499/14028847793/7487421318456799/102114409566327481880735124523903/141301110944447039081066995164119 : 70A96FD54C71F3E7
2017-10-12kkmrkkblmbrbkC-PRPM10499/14028847793/7487421318456799/102114409566327481880735124523903/141301110944447039081066995164119 : 65FD9AEEC0190ED6
2017-10-02kkmrkkblmbrbkC-PRPM10499/14028847793/7487421318456799/102114409566327481880735124523903/141301110944447039081066995164119 : 65FD9AEEC0190ED6
2017-09-21Oliver KruseC-PRPM10499/known_factors : 65FD9AEEC0190ED6
2016-09-07kkmrkkblmbrbkNF-PM1B1=100000000, B2=10000000000, E=12
2010-02-01Matthias WurtingerF-ECMFactor: 141301110944447039081066995164119
2008-10-16-anonymous-F-ECMFactor: 102114409566327481880735124523903
2008-08-26-anonymous-F-PM1Factor: 7487421318456799