Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
36523Factored
FactorDigitsBitsDate
12499631531030.2old
591099919371135.82008-08-26 19:59:38
334069683777371444.92008-08-26 19:59:38
8135962355796071549.52008-08-26 19:59:38
4209325327642318721272168.52010-04-27 22:28:48
158220495610560359768517554172993.72010-05-27 19:03:10
11106447831917981225724264000423926336116.42019-09-17 21:51:47
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000901 / 4588
Estimated T-Level: 36.0 ⓘ
TF below 2^115 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse9CE3F2AFBC003F206013
Verified (Factored)2017-10-02kkmrkkblmbrbk9CE3F2AFBC003F206013
Verified (Factored)2017-12-07ATH9CE3F2AFBC003F20687813
Verified2019-09-18mnd9E9376610A58C38A073339053
Verified2019-09-19marssystemsE9376610A58C38A07450353
History
DateUserTypeResult
2021-12-16Seth_TrNF-PM1
B1=5000000000, B2=51990930081090
2021-12-15Seth_TrNF-PM1
B1=5000000000, B2=949756017210
2021-08-27Seth_TrNF-PM1
B1=1000000000, B2=100000000000, E=12
2021-05-11ATHNF-PP1
Start=2/7, B1=100000000, B2=10000000000
2019-09-19marssystemsC-PRP
M36523/1249963153/59109991937/33406968377737/813596235579607/420932532764231872127/15822049561056035976851755417/111064478319179812257242640004239263 : E9376610A58C38A0
PRP: Verified
PRP without proof (small exponent)
2019-09-18mnd9C-PRP
M36523/1249963153/59109991937/33406968377737/813596235579607/420932532764231872127/15822049561056035976851755417/111064478319179812257242640004239263 : E9376610A58C38A0
PRP: Verified
PRP without proof (small exponent)
2019-09-17Niels_Mache_NextcloudF-ECM
Factor: 111064478319179812257242640004239263 / (ECM curve 3, B1=1000000, B2=100000000, Sigma=2714323958034373)
2017-12-07ATHC-PRP
M36523/1249963153/59109991937/33406968377737/813596235579607/420932532764231872127/15822049561056035976851755417 : 9CE3F2AFBC003F20
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M36523/1249963153/59109991937/33406968377737/813596235579607/420932532764231872127/15822049561056035976851755417 : 9CE3F2AFBC003F20
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M36523/known_factors : 9CE3F2AFBC003F20
PRP without proof (not generated)
2016-10-28kkmrkkblmbrbkNF-PM1
B1=200000000, B2=5000000000, E=12
2010-05-27James HintzF-ECM
Factor: 15822049561056035976851755417
2010-04-27James HintzF-ECM
Factor: 420932532764231872127
2008-08-26-Anonymous-F-PM1
Factor: 813596235579607
2008-08-26-Anonymous-F
Factor: 33406968377737
2008-08-26-Anonymous-F
Factor: 59109991937