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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
30839Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
246713617.9old
32556732311031.62008-08-26 19:59:24
465838549557020261292065.32009-03-30 14:39:10
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000002652 / 4588
Estimated T-Level: 37.9
TF below 2^121 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseDF76BA3972369C603013
Verified2017-10-12kkmrkkblmbrbkDF76BA3972369C60380613
Verified2020-04-17Oliver KruseF2CEBB401606755F31834353
Verified2024-07-01kkmrkkblmbrbkF2CEBB401606755F3116353
History
DateUserTypeResult
2024-12-31masserNF-PP1
Start=135/53, B1=80000000, B2=79920000000
2024-12-19masserNF-PP1
Start=6/5, B1=80000000, B2=79920000000
2024-12-13masserNF-PP1
Start=2/7, B1=80000000, B2=79920000000
2024-07-01kkmrkkblmbrbkC-PRP
M30839/246713/3255673231/46583854955702026129 : F2CEBB401606755F
PRP: Verified
PRP without proof (small exponent)
2022-10-19nordiNF-PM1
B1=3000000000, B2=920287779501090
2022-09-22nordiNF-PM1
B1=3000000000
2020-04-17Oliver KruseC-PRP
M30839/246713/3255673231/46583854955702026129 : F2CEBB401606755F
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M30839/246713/3255673231/46583854955702026129 : DF76BA3972369C60
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M30839/246713/3255673231/46583854955702026129 : DF76BA3972369C60
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M30839/246713/3255673231/46583854955702026129 : DF76BA3972369C60
PRP without proof (not generated)
2016-10-06kkmrkkblmbrbkNF-PM1
B1=200000000, B2=5000000000, E=12
2009-03-30Matthias WurtingerF-ECM
Factor: 46583854955702026129
2008-08-26-Anonymous-F
Factor: 3255673231