Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2482993Factored
FactorDigitsBitsDate
90028346190360290464976712582.92020-07-31 17:51:09
ECM
DigitsB1Curves
255000062 / 280
Estimated T-Level: 21.1 ⓘ
TF below 2^65 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Robert Dannels2E82CBE335A537780
Verified (Factored)1999-08-07greg jorgensen2E82CBE335A537782341542
Verified (Factored)2018-05-30kkmrkkblmbrbk2E82CBE335A53778763569
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2020-08-02ANONYMOUS39A694657C619C30180180153
Verified2020-11-11Oliver Kruse39A694657C619C30197923953
History
DateUserTypeResult
2020-11-11curtiscCERT
PRP Certification
Proof certified good
2020-11-11Oliver KruseC-PRP
M2482993/9002834619036029046497671 : 39A694657C619C30
PRP proof power = 7
PRP: Verified
Proof certified good
2020-08-02ANONYMOUSC-PRP
M2482993/9002834619036029046497671 : 39A694657C619C30
PRP: Verified
PRP without proof (not generated)
2020-07-31GANF-ECM
Factor: 9002834619036029046497671 / (ECM curve 2, B1=50000, B2=5000000, Sigma=6271781338404947)
2019-07-01TJAOINF
no factor from 2^67 to 2^68
2018-05-30kkmrkkblmbrbkC-LL
2E82CBE335A53778
2017-07-22Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^59 to 2^60
2015-10-29ramgeisNF
no factor from 2^65 to 2^66
2015-03-03VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-03VictordeHollanderNF
no factor from 2^63 to 2^64
2014-11-07mikrNF-PM1
B1=2382500, B2=85770100, E=12
2014-09-02JossNF-PM1
B1=120850
2013-08-21David CampeauNF
no factor from 2^62 to 2^63
2012-06-09Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-21Oscar ÖstlinNF-PM1
B1=95000, B2=1947500, E=6
2010-11-20JossNF-PM1
B1=20000
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61