Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
9743
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
34626623825.0old
564723767929.1old
9493304417230056857763147642631552935116.22008-08-26 19:58:29
1728732901860027753674283186294255798328741133.72024-07-07 00:33:48
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000006736 / 16550
Estimated T-Level: 47.0 ⓘ
TF below 2^151 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 Kruse353DCCB8506C29823013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbk353DCCB8506C29823013
Factored
No proof (small exponent)
2017-12-07ATH353DCCB8506C29823177813
Factored
No proof (small exponent)
2020-04-17Oliver Kruse2CB03461C32B7C0B3766553
Factored
No proof (small exponent)
2024-07-01kkmrkkblmbrbk2CB03461C32B7C0B3575553
Verified
No proof (small exponent)
2024-07-07nordi2CB03461C32B7C0B41753
History
DateUserTypeResult
2025-03-25masserNF-PP1Start=153/31, B1=1000000000, B2=999000000000
2024-07-07nordiC-PRPM9743/34626623/564723767/94933044172300568577631476426315529/17287329018600277536742831862942557983287 : 2CB03461C32B7C0B
2024-07-07nordiF-ECMFactor: 17287329018600277536742831862942557983287 / ECM curve 73, B1=44000000, B2=1117403522235, Edwards Sigma=4323499610736478
2024-07-01kkmrkkblmbrbkC-PRPM9743/34626623/564723767/94933044172300568577631476426315529 : 2CB03461C32B7C0B
2023-06-18JacobZNF-PM1B1=59000000000, B2=250256095608669150
2022-02-05JossNF-PM1B1=1000000, B2=6010952007060
2020-04-17Oliver KruseC-PRPM9743/34626623/564723767/94933044172300568577631476426315529 : 2CB03461C32B7C0B
2017-12-07ATHC-PRPM9743/34626623/564723767/94933044172300568577631476426315529 : 353DCCB8506C2982
2017-10-02kkmrkkblmbrbkC-PRPM9743/34626623/564723767/94933044172300568577631476426315529 : 353DCCB8506C2982
2017-09-21Oliver KruseC-PRPM9743/known_factors : 353DCCB8506C2982
2008-08-26-anonymous-F-ECMFactor: 94933044172300568577631476426315529