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:










MnStatusDetails
2903Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
5807412.5old
60457879825.8old
63454469106449141407032272.4old
146067636963607295010792373.6old
2212902276683430443017963132787.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002925 / 16550
Estimated T-Level: 45.9
TF below 2^147 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseA933AEDF62F5BC455013
Verified2017-10-02kkmrkkblmbrbkA933AEDF62F5BC455013
Verified2017-12-07ATHA933AEDF62F5BC455122013
Verified2020-04-17Oliver Kruse0870DC00A4E1C3D85194053
Verified (Factored)2022-05-12Jorge Coveiro0870DC00A4E1C3D8134453
Verified2024-02-03Wentao Huang0870DC00A4E1C3D85144353
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M2903/5807/60457879/6345446910644914140703/14606763696360729501079/221290227668343044301796313 : 0870DC00A4E1C3D8
PRP: Verified
PRP without proof (small exponent)
2022-05-12Jorge CoveiroC-PRP
M2903/5807 : 0870DC00A4E1C3D8
PRP: Verified
PRP without proof (small exponent)
2022-03-30mikrNF-PM1
B1=70000000000, B2=367004699921960100
2021-07-07ViliamFNF-PM1
B1=1000000000, B2=191000000000
2020-04-17Oliver KruseC-PRP
M2903/5807/60457879/6345446910644914140703/14606763696360729501079/221290227668343044301796313 : 0870DC00A4E1C3D8
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M2903/5807/60457879/6345446910644914140703/14606763696360729501079/221290227668343044301796313 : A933AEDF62F5BC45
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M2903/5807/60457879/6345446910644914140703/14606763696360729501079/221290227668343044301796313 : A933AEDF62F5BC45
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M2903/known_factors : A933AEDF62F5BC45
PRP without proof (not generated)