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
13751Factored
FactorDigitsBitsDate
247519617.9old
75282049671032.82008-08-26 19:58:41
115427803114034571753.42008-08-29 02:24:33
19583393660638029131960.82008-08-26 19:58:41
2801828658556007787171548062077074184738124.42023-05-21 04:34:05
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001252 / 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
Verified (Factored)2017-09-21Oliver Kruse3B332147DE58053D4013
Verified (Factored)2017-10-02kkmrkkblmbrbk3B332147DE58053D4013
Verified (Factored)2017-12-07ATH3B332147DE58053D4845313
Verified (Factored)2020-04-17Oliver KruseAA0C70AEEC00F1774562553
Verified2023-05-21JacobZAA0C70AEEC00F1775950353
Verified2023-06-11Denial140AA0C70AEEC00F1775181453
Verified2023-06-11Denial140AA0C70AEEC00F1775528853
P-1 factors
DateFactorB1B2
2023-05-2128018286585560077871715480620770741847800000000035524619698317748
2024-01-2928018286585560077871715480620770741847100000000000122154521813133808
History
DateUserTypeResult
2024-01-29-Anonymous-F-PM1
Factor: 28018286585560077871715480620770741847 / (P-1, B1=100000000000, B2=122154521813133810)
2023-06-11Denial140C-PRP
M13751/247519/7528204967/11542780311403457/1958339366063802913/28018286585560077871715480620770741847 : AA0C70AEEC00F177
PRP: Verified
PRP without proof (small exponent)
2023-06-11Denial140C-PRP
M13751/247519/7528204967/11542780311403457/1958339366063802913/28018286585560077871715480620770741847 : AA0C70AEEC00F177
PRP: Verified
PRP without proof (small exponent)
2023-05-21JacobZC-PRP
M13751/247519/7528204967/11542780311403457/1958339366063802913/28018286585560077871715480620770741847 : AA0C70AEEC00F177
PRP: Verified
PRP without proof (small exponent)
2023-05-21JacobZF-PM1
Factor: 28018286585560077871715480620770741847 / (P-1, B1=8000000000, B2=35524619698317750)
2023-02-11USAFSSNF-PM1
B1=6000000, B2=472858716330
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-17Oliver KruseC-PRP
M13751/247519/7528204967/11542780311403457/1958339366063802913 : AA0C70AEEC00F177
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M13751/247519/7528204967/11542780311403457/1958339366063802913 : 3B332147DE58053D
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M13751/247519/7528204967/11542780311403457/1958339366063802913 : 3B332147DE58053D
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13751/247519/7528204967/1958339366063802913/11542780311403457 : 3B332147DE58053D
PRP without proof (not generated)
2008-08-29-Anonymous-F
Factor: 11542780311403457
2008-08-26-Anonymous-F-ECM
Factor: 1958339366063802913
2008-08-26-Anonymous-F
Factor: 7528204967