Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
8813053Factored
FactorDigitsBitsDate
786176764609840053169692376.12022-05-07 22:25:07
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1999-12-30Ladislav Sladecek7955023711F90FE6897628
Verified (Factored)2002-12-31Chris Marble7955023711F90FE64934651
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-05-13Oliver Kruse325F48BD1D2E4F581303623053
P-1 factors
DateFactorB1B2
2022-05-077861767646098400531696930000004360125000
History
DateUserTypeResult
2022-05-13wombatmanCERT
PRP Certification
Proof certified good
2022-05-13Oliver KruseC-PRP
M8813053/78617676460984005316969 : 325F48BD1D2E4F58
PRP proof power = 8
PRP: Verified
Proof certified good
2022-05-07linamentF-PM1
Factor: 78617676460984005316969 / (P-1, B1=3000000, B2=4360125000)
2020-10-03-Anonymous-NF
no factor from 2^70 to 2^71
2020-10-02-Anonymous-NF
no factor from 2^69 to 2^70
2019-11-19mnd9NF
no factor from 2^68 to 2^69
2018-04-13monstNF
no factor from 2^67 to 2^68
2016-02-16snme2pm1NF
no factor from 2^66 to 2^67
2015-05-25VictordeHollanderNF
no factor from 2^65 to 2^66
2014-01-15lycornNF
no factor from 2^64 to 2^65
2012-10-23NesowaNF-PM1
B1=105000, B2=1916250, E=6