is 2 6969673 - 1
has 2098081 decimal digits
takes 1.520 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2674.263365.6716%----4.263365.6716%
Target2674.263365.6716%450009000000.02902.2389%4.292366.4402%
Difference----45000-900000-0.0290-2.2389%-0.0290-0.7686%

Known prime factors (2 factors, 123.1 bits, 0.00176560% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69696731904357623612910811857.40213661742980
22 × 5 × 17 × 40181597		1998-07-2117401815970.00340.69221.2928
6969673580653852373160090412065.6544165574571240
23 × 3 × 5 × 23 × 37 × 4933 × 8269		2019-03-05493382691.67340.00160.0032

1 Composite Factors:
P-1 results:
No P-1 results for M6969673


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-07-21jkhv4_computers??57.402180.0017.3260.003
2019-03-05TJAOIManual testing265266*65.654200.6275.2132.149


ECM factoring results:
No ECM results for M6969673


Lucas-Lehmer results:
No L-L results for M6969673


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-29Oliver KruseGTX-3
190435762361291081
72B0A2F2DDEF37__no
2019-02-16oodairacom1
190435762361291081
72B0A2F2DDEF372Eno
2019-03-06WoodMan777WoodMan777_2
190435762361291081
58065385237316009041
72B0A2F2DDEF372Eno


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
266
2
this exponent TF target: 67
TF double-checked to: 67.8
250
260
270
Last modified: 2023-04-26T21:34:10+00:00