is 2 697857143 - 1
has 210075933 decimal digits
takes 22,623.818 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 %
Target2845,614.139964.2857 %40000009000000002,482.77534.2187 %8,096.915265.7924 %
Difference-17-5,614.0973-9.0618 %-4000000-900000000-2,482.7753-4.2187 %-8,096.8726-10.5685 %

Known prime factors (2 factors, 95.4 bits, 0.00001367% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697857143348928571511135.02225
52
2008-04-3025256.595e-120.00120.0024
69785714315131573694311844311960.3921084145505
3 × 5 × 17 × 71 × 233 × 257
2016-02-032332570.00030.01100.0223

1 Composite Factors:
P-1 results:
No P-1 results for M697857143


Trial Factoring results:
57585960616263646566676869707172737475767778798081828384
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2016-02-03TJAOIManual testing260261*
60.392
19
8.63335e-5


ECM factoring results:
No ECM results for M697857143


Lucas-Lehmer results:
No L-L results for M697857143


PRP results:
No PRP results for M697857143


CERT results:
No CERT results for M697857143


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
TF factor-bounds graph:
this exponent TF target: 84
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00