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

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MnStatusDetails
3026539Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
103335679634079481140472373.12017-06-03 18:39:07
ECM
DigitsB1Curves
255000065 / 280
Estimated T-Level: 21.2 ⓘ
TF below 2^65 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Adam AtkinsonC1B1A697319A91090
Verified (Factored)1999-06-06Uwe PlebanC1B1A697319A9109596750
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-30alpertronBA649E43C82F4D761013
Verified2017-11-17Oliver KruseBA649E43C82F4D761279818813
P-1 factors
DateFactorB1B2
2017-06-03103335679634079481140473000000100000000
History
DateUserTypeResult
2022-09-07JossNF-PM1
B1=1052653, B2=226749600
2022-01-23JossNF-PM1
B1=1052653, B2=119912100
2021-03-20JossNF
no factor from 2^67 to 2^68
2020-11-12JossNF-PM1
B1=302653, B2=3026539, E=6
2017-11-17Oliver KruseC-PRP
M3026539/10333567963407948114047 : BA649E43C82F4D76
PRP: Verified
PRP without proof (not generated)
2017-09-30alpertronC-PRP
M3026539/10333567963407948114047 : BA649E43C82F4D76
PRP: Verified
PRP without proof (not generated)
2017-06-03mikrF-PM1
Factor: 10333567963407948114047 / (P-1, B1=3000000, B2=100000000, E=12)
2017-04-30Gordon SpenceNF
no factor from 2^66 to 2^67
2016-04-26USAFSSNF-PM1
B1=205000, B2=5637500, E=12
2015-06-02ThaNF
no factor from 2^65 to 2^66
2015-02-07VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-07VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2010-10-13markrNF-PM1
B1=115000, B2=2357500, E=6
2010-10-05Sid & AndyNF
no factor from 2^61 to 2^62
2009-01-29Jayson KingNF
no factor from 2^60 to 2^61