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
7668709Factored
FactorDigitsBitsDate
15729098853543985670357517818216933807339126.92023-03-15 14:11:11
ECM
DigitsB1Curves
25500006 / 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)2000-01-04JeffD904A4EF4DB643983759894
Verified (Factored)2002-04-14Dayton L. SilverD904A4EF4DB643984720207
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2023-03-21Funky Waddle383EBDC500EBFFE21239415653
P-1 factors
DateFactorB1B2
2023-03-15157290988535439856703575178182169338073300000010362966900
History
DateUserTypeResult
2023-03-21curtiscCERT
PRP Certification
Proof certified good
2023-03-21Funky WaddleC-PRP
M7668709/157290988535439856703575178182169338073 : 383EBDC500EBFFE2
PRP proof power = 8
PRP: Verified
Proof certified good
2023-03-15DRobinsonPEF-PM1
Factor: 157290988535439856703575178182169338073 / (P-1, B1=3000000, B2=10362966900)
2021-05-01-Anonymous-NF
no factor from 2^72 to 2^73
2021-05-01-Anonymous-NF
no factor from 2^71 to 2^72
2021-04-08-Anonymous-NF
no factor from 2^70 to 2^71
2021-04-08-Anonymous-NF
no factor from 2^69 to 2^70
2020-05-24GdSNF-PM1
B1=1337698, B2=32104742, E=12
2020-03-20TJAOINF
no factor from 2^68 to 2^69
2018-07-31ramgeisNF
no factor from 2^67 to 2^68
2016-09-19Gordon SpenceNF
no factor from 2^66 to 2^67
2015-06-12VictordeHollanderNF
no factor from 2^65 to 2^66
2013-12-07David CampeauNF
no factor from 2^64 to 2^65
2013-10-11NesowaNF
no factor from 2^63 to 2^64
2012-08-02NesowaNF-PM1
B1=95000, B2=1757500, E=6