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
10601
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
39801030471031.9old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002980 / 16550
Estimated T-Level: 45.9
TF below 2^147 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 Kruse7A5B2CF6E49E0AAF1013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk7A5B2CF6E49E0AAF1650413
Verified
No proof (small exponent)
2020-04-17Oliver Kruse76D2E0F07A4CED801991753
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk76D2E0F07A4CED801722453
History
DateUserTypeResult
2025-02-25masserNF-PP1Start=188/43, B1=640000000, B2=639360000000
2025-02-16masserNF-PP1Start=6/5, B1=640000000, B2=639360000000
2025-01-28masserNF-PP1Start=2/7, B1=640000000, B2=639360000000
2024-07-01kkmrkkblmbrbkC-PRPM10601/3980103047 : 76D2E0F07A4CED80
2022-11-09-anonymous-NF-PM1B1=100000000000, B2=120443211520241610
2021-03-04ViliamFNF-PM1B1=1000000000, B2=211000000000
2020-04-17Oliver KruseC-PRPM10601/3980103047 : 76D2E0F07A4CED80
2017-10-12kkmrkkblmbrbkC-PRPM10601/3980103047 : 7A5B2CF6E49E0AAF
2017-09-21Oliver KruseC-PRPM10601/3980103047 : 7A5B2CF6E49E0AAF
2017-09-21Oliver KruseC-PRPM10601/3980103047 : 7A5B2CF6E49E0AAF
2016-09-07kkmrkkblmbrbkNF-PM1B1=100000000, B2=10000000000, E=12