is 2 697666481 - 1
has 210018538 decimal digits
takes 22,617.637 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
Actual2670.042655.2239 %----0.042655.2239 %
Target2845,615.674164.2857 %40000009000000002,482.77534.2186 %8,098.449465.7924 %
Difference-17-5,615.6315-9.0618 %-4000000-900000000-2,482.7753-4.2186 %-8,098.4068-10.5685 %

Known prime factors (2 factors, 120.7 bits, 0.00001731% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697666481464318573093103671755.36633276543
3 × 19 × 29 × 41 × 491
2008-04-30414911.180e-50.00310.0039
697666481480070416506573727112065.38034405437955
5 × 72 × 140430359
2018-10-18491404303590.0157359.66671.74

1 Composite Factors:
P-1 results:
No P-1 results for M697666481


Trial Factoring results:
57585960616263646566676869707172737475767778798081828384
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2018-10-18TJAOIManual testing265266*
65.380
20
0.004


ECM factoring results:
No ECM results for M697666481


Lucas-Lehmer results:
No L-L results for M697666481


PRP results:
No PRP results for M697666481


CERT results:
No CERT results for M697666481


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
this exponent TF target: 84
TF double-checked to: 67
250
260
270
280
290
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00