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
194653Factored
FactorDigitsBitsDate
71242999826.1old
485464583928.92008-07-27 10:50:04
193547370971134.22008-07-27 10:50:04
32718101568731341.62008-07-27 10:50:04
43464333098091342.02008-07-27 10:50:04
10301634636689511649.92008-08-26 20:13:01
4018246188901787488972168.42014-07-28 14:54:18
1710919819136455148250232477.22017-01-17 13:01:52
84631471530181206867934263615328415936119.32021-08-20 05:18:19
2732351292458385895058051079829879873738124.42021-10-31 13:07:40
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000002404 / 9201
Estimated T-Level: 41.3
TF below 2^132 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse04177ABAB9CB7B2A8013
Verified (Factored)2017-10-12kkmrkkblmbrbk04177ABAB9CB7B2A813419113
Verified (Factored)2020-04-17Oliver Kruse3A4B3B88B3A3B93788523853
Verified (Factored)2021-08-20SRJ28773A4B3B88B3A3B937916040153
Verified2021-10-31nordi3A4B3B88B3A3B9371015807253
Verified2023-08-24USAFSS3A4B3B88B3A3B9371010823253
History
DateUserTypeResult
2023-08-24curtiscCERT
PRP Certification
Proof certified good
2023-08-24USAFSSC-PRP
M194653/71242999/485464583/19354737097/3271810156873/4346433309809/1030163463668951/401824618890178748897/171091981913645514825023/846314715301812068679342636153284159/27323512924583858950580510798298798737 : 3A4B3B88B3A3B937
PRP proof power = 5
PRP: Verified
Proof certified good
2022-09-29LordJuliusNF
no factor from 2^66 to 2^67
2022-09-29LordJuliusNF
no factor from 2^65 to 2^66
2022-09-29LordJuliusNF
no factor from 2^64 to 2^65
2022-09-29LordJuliusNF
no factor from 2^63 to 2^64
2022-07-29LordJuliusNF
no factor from 2^62 to 2^63
2022-07-29LordJuliusNF
no factor from 2^61 to 2^62
2022-07-29LordJuliusNF
no factor from 2^60 to 2^61
2022-07-29LordJuliusNF
no factor from 2^59 to 2^60
2022-07-29LordJuliusNF
no factor from 2^58 to 2^59
2022-02-18Ethan O'ConnorNF-PM1
B1=2000000000, B2=3117994929449400
2021-12-01Seth_TrNF-PM1
B1=1000000000, B2=10079095926900
2021-10-31Torchwood InstituteCERT
PRP Certification
Proof certified good
2021-10-31nordiC-PRP
M194653/71242999/485464583/19354737097/3271810156873/4346433309809/1030163463668951/401824618890178748897/171091981913645514825023/846314715301812068679342636153284159/27323512924583858950580510798298798737 : 3A4B3B88B3A3B937
PRP proof power = 5
PRP: Verified
Proof certified good
2021-10-31nordiF-ECM
Factor: 27323512924583858950580510798298798737 / (ECM curve 77, B1=3000000, B2=477000000, Sigma=6798721071652496)
2021-10-08nordiNF-PP1
Start=6/5, B1=400000000, B2=40000000000
2021-10-02nordiNF-PP1
Start=2/7, B1=400000000, B2=40000000000
2021-08-20Ben DeloCERT
PRP Certification
Proof certified good
2021-08-20SRJ2877C-PRP
M194653/71242999/485464583/19354737097/3271810156873/4346433309809/1030163463668951/401824618890178748897/171091981913645514825023/846314715301812068679342636153284159 : 3A4B3B88B3A3B937
PRP proof power = 5
PRP: Verified (Factored)
Proof certified good
2021-08-20nordiF-ECM
Factor: 846314715301812068679342636153284159 / (ECM curve 207, B1=1000000, B2=135000000, Sigma=1795210449718585)
2021-04-29Seth_TrNF-PM1
B1=1000000000, B2=231000000000
2021-03-17Seth_TrNF-PM1
B1=200000000, B2=36200000000
2020-04-17Oliver KruseC-PRP
M194653/71242999/485464583/19354737097/3271810156873/4346433309809/1030163463668951/401824618890178748897/171091981913645514825023 : 3A4B3B88B3A3B937
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M194653/71242999/19354737097/3271810156873/4346433309809/485464583/1030163463668951/401824618890178748897/171091981913645514825023 : 04177ABAB9CB7B2A
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M194653/known_factors : 04177ABAB9CB7B2A
PRP without proof (not generated)
2017-09-02kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2017-01-17Ismo LaitelaF-ECM
Factor: 171091981913645514825023 / (ECM curve 1, B1=250000, B2=50000000)
2014-07-28TJAOIF-ECM
Factor: 401824618890178748897
2008-08-26-Anonymous-F
Factor: 1030163463668951
2008-07-27J FeitsmaF
Factor: 485464583
2008-07-27J FeitsmaF
Factor: 4346433309809
2008-07-27J FeitsmaF
Factor: 3271810156873
2008-07-27J FeitsmaF
Factor: 19354737097