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
5741
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
48224401825.5old
1299748391500731546.9old
365824264267966573272065.0old
91794887074242339662189857272892.9old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000005118 / 16550
Estimated T-Level: 46.5 ⓘ
TF below 2^150 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 Kruse0C6001A6F5A098844013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbk0C6001A6F5A098844013
Verified
No proof (small exponent)
2017-12-07ATH0C6001A6F5A09884469113
Verified
No proof (small exponent)
2020-04-17Oliver KruseB6388B5F149FA4B24361753
Verified
No proof (small exponent)
2024-02-03Wentao HuangB6388B5F149FA4B2456353
History
DateUserTypeResult
2025-05-24masserNF-PP1Start=159/37, B1=2100000000, B2=2097900000000
2025-02-01mikrNF-PM1B1=500000000000, B2=1735545234797984610
2024-02-03Wentao HuangC-PRPM5741/48224401/129974839150073/36582426426796657327/9179488707424233966218985727 : B6388B5F149FA4B2
2023-07-19-anonymous-NF-PM1B1=43000000000, B2=180124832351714250
2021-12-16ANONYMOUSNF-PM1B1=200000000
2021-08-31H MichaelsonNF-PM1B1=1000000000, B2=100000000000
2020-04-17Oliver KruseC-PRPM5741/48224401/129974839150073/36582426426796657327/9179488707424233966218985727 : B6388B5F149FA4B2
2017-12-07ATHC-PRPM5741/48224401/129974839150073/36582426426796657327/9179488707424233966218985727 : 0C6001A6F5A09884
2017-10-02kkmrkkblmbrbkC-PRPM5741/48224401/129974839150073/36582426426796657327/9179488707424233966218985727 : 0C6001A6F5A09884
2017-09-21Oliver KruseC-PRPM5741/known_factors : 0C6001A6F5A09884