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
2171159Factored
FactorDigitsBitsDate
4342319722.1old
52107817825.62008-07-14 20:21:33
18237735611030.82008-07-14 20:21:33
37170242091031.82008-07-14 20:21:33
1654466581191237.32008-07-14 20:21:33
399929962921271445.22008-08-26 20:20:47
122930818491054011753.42013-08-02 00:07:45
1083295688417818731856.62013-08-02 00:07:45
ECM
DigitsB1Curves
2550000280 / 280
30250000210 / 640
Estimated T-Level: 26.6 ⓘ
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-09Oliver KruseA1A0B80468CBA14D1013
Verified2017-10-18Oliver Kruse84B606A6617F89DA8142771053
Verified2017-11-07ATH84B606A6617F89DA884911653
P-1 factors
DateFactorB1B2
2013-08-02135157652246284793841460509049534303644044708774703656541719394221306665429387709429309306235000000
History
DateUserTypeResult
2022-11-16LordJuliusNF
no factor from 2^65 to 2^66
2022-11-16LordJuliusNF
no factor from 2^64 to 2^65
2022-11-16LordJuliusNF
no factor from 2^63 to 2^64
2022-11-16LordJuliusNF
no factor from 2^62 to 2^63
2021-08-06Seth_TrNF
no factor from 2^67 to 2^68
2021-04-05Seth_TrNF-PM1
B1=200000000, B2=38200000000
2021-03-12Seth_TrNF-PM1
B1=50000000, B2=9050000000
2019-12-22Seth_TrNF
no factor from 2^68 to 2^69
2019-12-08Seth_TrNF
no factor from 2^66 to 2^67
2019-07-04alpertronNF-PM1
B1=30000000, B2=1000000000, E=12
2017-11-07ATHC-PRP
M2171159/4342319/52107817/1823773561/3717024209/165446658119/39992996292127/12293081849105401/108329568841781873 : 84B606A6617F89DA
PRP: Verified
PRP without proof (not generated)
2017-10-18Oliver KruseC-PRP
M2171159/4342319/165446658119/1823773561/3717024209/52107817/39992996292127/12293081849105401/108329568841781873 : 84B606A6617F89DA
PRP: Verified
PRP without proof (not generated)
2017-10-09Oliver KruseC-PRP
M2171159/4342319/165446658119/1823773561/3717024209/52107817/39992996292127/12293081849105401/108329568841781873 : A1A0B80468CBA14D
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2013-08-02Squeeky_SquirrelF-PM1
Factor: 13515765224628479384146050904953430364404470877470365654171939422130666542938770942930930623
2008-08-26-Anonymous-F
Factor: 39992996292127
2008-07-14George WoltmanF-ECM
Factor: 52107817
2008-07-14George WoltmanF-ECM
Factor: 3717024209
2008-07-14George WoltmanF-ECM
Factor: 1823773561
2008-07-14George WoltmanF-ECM
Factor: 165446658119