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:





MnDetails
6343
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
9045119723.1old
43304911768701438424126229512891.8old
10499692277749027423057910269093567231339126.32021-03-25 11:35:11
645652250019791665198144412528750164137815343142.22021-03-26 14:14:54
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000003203 / 16550
Estimated T-Level: 46.0 ⓘ
TF below 2^148 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver KruseECDE500732A88C412013
Factored
No proof (small exponent)
2017-10-12kkmrkkblmbrbkECDE500732A88C412169313
Factored
No proof (small exponent)
2020-04-17Oliver KruseC8D99478865E7D822287553
Factored
No proof (small exponent)
2021-03-25mnd9C8D99478865E7D82317753
Verified
No proof (small exponent)
2021-03-26mikrC8D99478865E7D824528153
Factored
No proof (small exponent)
2021-03-28Joe S.C8D99478865E7D823464053
Verified
No proof (small exponent)
2021-04-02Chang Chia-TcheC8D99478865E7D82480353
History
DateUserTypeResult
2025-03-19masserNF-PP1Start=163/41, B1=1000000000, B2=999000000000
2025-03-10masserNF-PP1Start=6/5, B1=1000000000, B2=999000000000
2025-03-02masserNF-PP1Start=2/7, B1=1000000000, B2=999000000000
2023-08-04-anonymous-NF-PM1B1=39000000000, B2=163105468633407300
2021-08-02ViliamFNF-PM1B1=500000000, B2=90500000000
2021-04-02Chang Chia-TcheC-PRPM6343/9045119/4330491176870143842412622951/104996922777490274230579102690935672313/6456522500197916651981444125287501641378153 : C8D99478865E7D82
2021-03-28Joe S.C-PRPM6343/9045119/4330491176870143842412622951/104996922777490274230579102690935672313 : C8D99478865E7D82
2021-03-26mikrC-PRPM6343/9045119/4330491176870143842412622951/104996922777490274230579102690935672313/6456522500197916651981444125287501641378153 : C8D99478865E7D82
2021-03-26Ryan PropperF-ECMFactor: 6456522500197916651981444125287501641378153
2021-03-25mnd9C-PRPM6343/9045119/4330491176870143842412622951/104996922777490274230579102690935672313 : C8D99478865E7D82
2021-03-25Ryan PropperF-ECMFactor: 104996922777490274230579102690935672313
2020-04-17Oliver KruseC-PRPM6343/9045119/4330491176870143842412622951 : C8D99478865E7D82
2017-10-12kkmrkkblmbrbkC-PRPM6343/9045119/4330491176870143842412622951 : ECDE500732A88C41
2017-09-21Oliver KruseC-PRPM6343/9045119/4330491176870143842412622951 : ECDE500732A88C41
2017-09-21Oliver KruseC-PRPM6343/9045119/4330491176870143842412622951 : ECDE500732A88C41