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
12073Factored
FactorDigitsBitsDate
362191618.5old
845111619.72008-08-26 19:58:36
26729623824.72008-08-26 19:58:36
19169462798231340.82008-08-26 19:58:36
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001342 / 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 Kruse12577FC3BD06217B4013
Verified2017-10-12kkmrkkblmbrbk12577FC3BD06217B41201613
Verified2020-04-17Oliver Kruse1E8E304790F4B5E14781153
Verified2023-05-19-Anonymous-1E8E304790F4B5E141142053
History
DateUserTypeResult
2023-05-19-Anonymous-C-PRP
M12073/362191/845111/26729623/1916946279823 : 1E8E304790F4B5E1
PRP: Verified
PRP without proof (small exponent)
2023-04-06-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2020-04-17Oliver KruseC-PRP
M12073/362191/845111/26729623/1916946279823 : 1E8E304790F4B5E1
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M12073/362191/845111/26729623/1916946279823 : 12577FC3BD06217B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M12073/362191/845111/26729623/1916946279823 : 12577FC3BD06217B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M12073/362191/845111/26729623/1916946279823 : 12577FC3BD06217B
PRP without proof (not generated)
2016-09-08kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-26-Anonymous-F
Factor: 1916946279823
2008-08-26-Anonymous-F
Factor: 26729623
2008-08-26-Anonymous-F
Factor: 845111