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
3329Factored
FactorDigitsBitsDate
26633514.7old
665801619.3old
1005359719.9old
26225863824.6old
914262843910675471053192376.3old
21789269892005362850257046623975151280739127.42009-03-09 12:20:58
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000014894 / 40830
Estimated T-Level: 51.8 ⓘ
TF below 2^167 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-21Oliver Kruse2B605679E86B30EE6013
Verified2017-10-02kkmrkkblmbrbk2B605679E86B30EE6013
Verified2017-12-07ATH2B605679E86B30EE694213
Verified2020-04-17Oliver KruseBE3BF87970B7880E65653
Verified2024-02-03Wentao HuangBE3BF87970B7880E6199553
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M3329/26633/665801/1005359/26225863/91426284391067547105319/217892698920053628502570466239751512807 : BE3BF87970B7880E
PRP: Verified
PRP without proof (small exponent)
2022-04-21mikrNF-PM1
B1=80000000000, B2=268799861365815780
2020-04-17Oliver KruseC-PRP
M3329/26633/665801/1005359/26225863/91426284391067547105319/217892698920053628502570466239751512807 : BE3BF87970B7880E
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M3329/26633/665801/1005359/26225863/91426284391067547105319/217892698920053628502570466239751512807 : 2B605679E86B30EE
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M3329/26633/665801/1005359/26225863/91426284391067547105319/217892698920053628502570466239751512807 : 2B605679E86B30EE
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M3329/known_factors : 2B605679E86B30EE
PRP without proof (not generated)
2009-03-09Matthias WurtingerF-ECM
Factor: 217892698920053628502570466239751512807