Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
3559
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
632582394616035082279932375.7old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000015154 / 40830
Estimated T-Level: 51.9 ⓘ
TF below 2^167 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 Kruse93FC03A50E1865471013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk93FC03A50E1865471331713
Verified
No proof (small exponent)
2020-04-17Oliver KruseC2BFF8C4086A61FE125053
Verified
No proof (small exponent)
2024-02-03Wentao HuangC2BFF8C4086A61FE141553
History
DateUserTypeResult
2025-05-02masserNF-PP1Start=107/37, B1=3100000000, B2=3096900000000
2024-02-03Wentao HuangC-PRPM3559/63258239461603508227993 : C2BFF8C4086A61FE
2022-06-15mikrNF-PM1B1=120000000000, B2=314605609292724750
2021-09-05Jinyuan WangNF-PM1B1=1300000000, B2=13000000000
2020-04-17Oliver KruseC-PRPM3559/63258239461603508227993 : C2BFF8C4086A61FE
2017-10-12kkmrkkblmbrbkC-PRPM3559/63258239461603508227993 : 93FC03A50E186547
2017-09-21Oliver KruseC-PRPM3559/63258239461603508227993 : 93FC03A50E186547
2017-09-21Oliver KruseC-PRPM3559/63258239461603508227993 : 93FC03A50E186547
2005-01-10-anonymous-F-PM1Factor: 63258239461603508227993