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
233071Factored
FactorDigitsBitsDate
104415809926.6old
453351063531135.42008-07-21 09:14:32
5624832158971235372712168.92014-08-04 11:21:50
387298775653934458248078440588754419320315343141.52022-03-27 17:16:11
ECM
DigitsB1Curves
2550000280 / 280
30250000498 / 640
Estimated T-Level: 28.9 ⓘ
TF below 2^91 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse57EE128B7728B53E3013
Verified (Factored)2017-10-12kkmrkkblmbrbk57EE128B7728B53E32308813
Verified (Factored)2020-04-17Oliver Kruse5B3E65D68FE18520318777053
Verified2022-03-28Oliver Kruse5B3E65D68FE18520414586153
P-1 factors
DateFactorB1B2
2022-03-2738729877565393445824807844058875441932031533000000010070832992220
History
DateUserTypeResult
2022-03-28curtiscCERT
PRP Certification
Proof certified good
2022-03-28Oliver KruseC-PRP
M233071/104415809/45335106353/562483215897123537271/3872987756539344582480784405887544193203153 : 5B3E65D68FE18520
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-27Oliver KruseF-PM1
Factor: 3872987756539344582480784405887544193203153 / (P-1, B1=30000000, B2=10070832992220)
2021-06-30Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M233071/104415809/45335106353/562483215897123537271 : 5B3E65D68FE18520
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M233071/104415809/45335106353/562483215897123537271 : 57EE128B7728B53E
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M233071/104415809/45335106353/562483215897123537271 : 57EE128B7728B53E
PRP without proof (not generated)
2014-08-04TJAOIF-ECM
Factor: 562483215897123537271
2008-07-21J FeitsmaF
Factor: 45335106353