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
3229Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
137374577927.0old
260756475226855496810412374.5old
133775046481727251322745112683.5old
144059711569519242377073972549331031772140130.12010-12-11 15:26:38
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000014509 / 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 Kruse6727DEFFCF82CAB84013
Verified2017-10-02kkmrkkblmbrbk6727DEFFCF82CAB84013
Verified2017-12-07ATH6727DEFFCF82CAB84120713
Verified2020-04-17Oliver Kruse8F1B2462ED04D1C24216353
Verified2024-02-03Wentao Huang8F1B2462ED04D1C24264053
History
DateUserTypeResult
2024-07-01masserNF-PM1
B1=100000000000, B2=213095982149300250
2024-02-03Wentao HuangC-PRP
M3229/137374577/26075647522685549681041/13377504648172725132274511/1440597115695192423770739725493310317721 : 8F1B2462ED04D1C2
PRP: Verified
PRP without proof (small exponent)
2021-07-09ViliamFNF-PM1
B1=1000000000, B2=191000000000
2020-04-17Oliver KruseC-PRP
M3229/137374577/26075647522685549681041/13377504648172725132274511/1440597115695192423770739725493310317721 : 8F1B2462ED04D1C2
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M3229/137374577/26075647522685549681041/13377504648172725132274511/1440597115695192423770739725493310317721 : 6727DEFFCF82CAB8
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M3229/137374577/26075647522685549681041/13377504648172725132274511/1440597115695192423770739725493310317721 : 6727DEFFCF82CAB8
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M3229/known_factors : 6727DEFFCF82CAB8
PRP without proof (not generated)
2010-12-11James HintzF-ECM
Factor: 1440597115695192423770739725493310317721