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
836327Factored
FactorDigitsBitsDate
14094961982366382171960.32009-07-29 21:21:21
ECM
DigitsB1Curves
2550000280 / 280
30250000118 / 640
Estimated T-Level: 25.9 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski1BE10
Verified (Factored)Paul Victor NovareseAF32910759F35BE10
Verified (Factored)Edo de Roo JankovicAF32910759F35BE10
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-28Oliver Kruse66A3DDE682DF9A451013
Verified2017-10-14Oliver Kruse66A3DDE682DF9A45172368613
Verified2017-12-19ATH66A3DDE682DF9A45181050813
Unverified (Reliable)2020-04-21Oliver KruseF7E71A5854ED69__147425453
History
DateUserTypeResult
2021-07-26gLaussNF-PM1
B1=10000000, B2=810000000
2021-07-26gLaussNF-PP1
Start=2/7, B1=5000000, B2=360000000
2020-04-21Oliver KruseC-PRP
M836327/1409496198236638217 : F7E71A5854ED69__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-12-19ATHC-PRP
M836327/1409496198236638217 : 66A3DDE682DF9A45
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-10-14Oliver KruseC-PRP
M836327/1409496198236638217 : 66A3DDE682DF9A45
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M836327/1409496198236638217 : 66A3DDE682DF9A45
PRP: Unverified (Reliable)
PRP without proof (not generated)
2009-07-29JimBaF-ECM
Factor: 1409496198236638217
2008-10-14Sturle SundeNF
no factor from 2^59 to 2^60
2008-10-14Sturle SundeNF
no factor from 2^58 to 2^59