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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
36457Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
80424143826.3old
10840879039911340.02008-08-26 19:59:37
12171340068760011650.12009-04-01 16:23:00
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000001381 / 4588
Estimated T-Level: 36.5
TF below 2^116 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse355DEE1FFC9AC60B3013
Verified2017-10-12kkmrkkblmbrbk355DEE1FFC9AC60B32806413
Verified2020-04-17Oliver KruseF8CE8164C3F751E83547353
Verified2024-07-01kkmrkkblmbrbkF8CE8164C3F751E83490553
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M36457/1084087903991/1217134006876001/80424143 : F8CE8164C3F751E8
PRP: Verified
PRP without proof (small exponent)
2022-04-30nordiNF-PM1
B1=2000000000, B2=406427480028570
2022-04-27nordiNF-PM1
B1=2000000000
2021-05-11ATHNF-PP1
Start=2/7, B1=100000000, B2=10000000000
2020-04-17Oliver KruseC-PRP
M36457/80424143/1084087903991/1217134006876001 : F8CE8164C3F751E8
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M36457/80424143/1084087903991/1217134006876001 : 355DEE1FFC9AC60B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M36457/80424143/1084087903991/1217134006876001 : 355DEE1FFC9AC60B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M36457/80424143/1084087903991/1217134006876001 : 355DEE1FFC9AC60B
PRP without proof (not generated)
2016-10-28kkmrkkblmbrbkNF-PM1
B1=200000000, B2=5000000000, E=12
2009-04-01Matthias WurtingerF-ECM
Factor: 1217134006876001
2008-08-26-Anonymous-F
Factor: 1084087903991