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

PrimeNet Exponent Status

Exponent Range:





MnDetails
4649
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
595073619.2old
273314711928.0old
3978096118151975436355300492321789236319341134.92009-04-27 22:26:42
700613050607143480979803081004970932982383943142.32021-03-29 23:01:15
1083891224000173812129288275288884024424943206347152.92021-03-30 02:43:59
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000014040 / 40830
Estimated T-Level: 51.7 ⓘ
TF below 2^167 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver KruseD9E0657A21AF32A53013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbkD9E0657A21AF32A53013
Factored
No proof (small exponent)
2017-12-07ATHD9E0657A21AF32A53142613
Factored
No proof (small exponent)
2020-04-17Oliver Kruse811B34D7F1B6F5D03424553
Verified
No proof (small exponent)
2021-03-30mnd9811B34D7F1B6F5D05308553
Factored
No proof (small exponent)
2021-03-30rbanov811B34D7F1B6F5D04149953
Verified
No proof (small exponent)
2021-04-01Joe S.811B34D7F1B6F5D05159253
History
DateUserTypeResult
2025-05-19masserNF-PP1Start=153/31, B1=2100000000, B2=2097900000000
2023-05-26-anonymous-NF-PM1B1=68000000000, B2=682015465283852700
2021-07-08ViliamFNF-PM1B1=1000000000, B2=201000000000
2021-04-01Joe S.C-PRPM4649/595073/273314711/39780961181519754363553004923217892363193/7006130506071434809798030810049709329823839/10838912240001738121292882752888840244249432063 : 811B34D7F1B6F5D0
2021-03-30rbanovC-PRPM4649/595073/273314711/39780961181519754363553004923217892363193/7006130506071434809798030810049709329823839 : 811B34D7F1B6F5D0
2021-03-30mnd9C-PRPM4649/595073/273314711/39780961181519754363553004923217892363193/7006130506071434809798030810049709329823839/10838912240001738121292882752888840244249432063 : 811B34D7F1B6F5D0
2021-03-30Ryan PropperF-ECMFactor: 10838912240001738121292882752888840244249432063
2021-03-29Ryan PropperF-ECMFactor: 7006130506071434809798030810049709329823839
2020-04-17Oliver KruseC-PRPM4649/595073/273314711/39780961181519754363553004923217892363193 : 811B34D7F1B6F5D0
2017-12-07ATHC-PRPM4649/595073/273314711/39780961181519754363553004923217892363193 : D9E0657A21AF32A5
2017-10-02kkmrkkblmbrbkC-PRPM4649/595073/273314711/39780961181519754363553004923217892363193 : D9E0657A21AF32A5
2017-09-21Oliver KruseC-PRPM4649/known_factors : D9E0657A21AF32A5
2009-04-27unconnectedF-ECMFactor: 39780961181519754363553004923217892363193