Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
41333Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
247999617.9old
46792290978376822871962.02008-08-26 20:00:01
1168332482547555807672166.72008-08-26 20:00:01
2848259872737249458744872477.92010-05-03 15:36:25
32539660947866587607970818791327933108.02019-01-11 06:10:33
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000709 / 4588
Estimated T-Level: 35.8
TF below 2^114 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver KruseB6897ABA55C05A5B4013
Verified (Factored)2017-10-02kkmrkkblmbrbkB6897ABA55C05A5B4013
Verified (Factored)2017-12-07ATHB6897ABA55C05A5B41459913
Verified2019-01-13Oliver KruseC0DAF8F1B675F21552738153
Verified2019-01-13marssystemsC0DAF8F1B675F21552511053
History
DateUserTypeResult
2023-04-09JacobZNF-PM1
B1=880000000, B2=789367261292610
2021-12-21Lisander ViaeneNF-PM1
B1=1000000000
2021-04-27gLaussNF-PP1
Start=2/7, B1=10000000, B2=1000000000
2019-01-13marssystemsC-PRP
M41333/247999/4679229097837682287/116833248254755580767/284825987273724945874487/325396609478665876079708187913279 : C0DAF8F1B675F215
PRP: Verified
PRP without proof (small exponent)
2019-01-13Oliver KruseC-PRP
M41333/247999/4679229097837682287/116833248254755580767/284825987273724945874487/325396609478665876079708187913279 : C0DAF8F1B675F215
PRP: Verified
PRP without proof (small exponent)
2019-01-11Niels_Mache_NextcloudF-ECM
Factor: 325396609478665876079708187913279 / (ECM curve 2, B1=1000000, B2=100000000)
2017-12-07ATHC-PRP
M41333/247999/4679229097837682287/116833248254755580767/284825987273724945874487 : B6897ABA55C05A5B
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M41333/247999/4679229097837682287/116833248254755580767/284825987273724945874487 : B6897ABA55C05A5B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M41333/247999/4679229097837682287/116833248254755580767/284825987273724945874487 : B6897ABA55C05A5B
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M41333/247999/4679229097837682287/116833248254755580767/284825987273724945874487 : B6897ABA55C05A5B
PRP without proof (not generated)
2016-09-13kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2010-05-03James HintzF-ECM
Factor: 284825987273724945874487
2008-08-26-Anonymous-F-ECM
Factor: 116833248254755580767
2008-08-26-Anonymous-F-ECM
Factor: 4679229097837682287