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

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MnStatusDetails
10151Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1948993720.9old
628206410171135.92008-08-26 19:58:30
78647446818774491652.82008-08-29 02:24:24
6038484005759893112998392479.02008-08-29 02:24:25
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001282 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse641A0FD5616F37874013
Verified2017-10-02kkmrkkblmbrbk641A0FD5616F37874013
Verified2017-10-12kkmrkkblmbrbk641A0FD5616F37874520913
Verified2020-04-17Oliver KruseB26E7FD3747838FF4258453
Verified2024-07-01kkmrkkblmbrbkB26E7FD3747838FF41014253
P-1 factors
DateFactorB1B2
2021-08-0712243698959764588110000001000000
2021-08-071224369895976458813030
2021-08-07122436989597645881100000000100000000
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M10151/1948993/603848400575989311299839/62820641017/7864744681877449 : B26E7FD3747838FF
PRP: Verified
PRP without proof (small exponent)
2022-02-17-Anonymous-NF-PM1
B1=100000000000, B2=121010481487715820
2021-08-07H MichaelsonF-PM1
Factor: 122436989597645881 / (P-1, B1=100000000)
2021-08-07H MichaelsonF-PM1
Factor: 122436989597645881 / (P-1, B1=30)
2021-08-07H MichaelsonF-PM1
Factor: 122436989597645881 / (P-1, B1=1000000)
2021-08-01ViliamFNF-PM1
B1=250000000, B2=40250000000
2020-04-17Oliver KruseC-PRP
M10151/1948993/62820641017/7864744681877449/603848400575989311299839 : B26E7FD3747838FF
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M10151/1948993/62820641017/7864744681877449/603848400575989311299839 : 641A0FD5616F3787
PRP: Verified
PRP without proof (not generated)
2017-10-02kkmrkkblmbrbkC-PRP
M10151/1948993/62820641017/7864744681877449/603848400575989311299839 : 641A0FD5616F3787
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10151/known_factors : 641A0FD5616F3787
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-29-Anonymous-F-ECM
Factor: 603848400575989311299839
2008-08-29-Anonymous-F
Factor: 7864744681877449
2008-08-26-Anonymous-F
Factor: 62820641017