is 2 697890983 - 1
has 210086120 decimal digits
takes 22,624.915 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 %
Target2845,613.867764.2857 %40000009000000002,482.77534.2187 %8,096.642965.7924 %
Difference-17-5,613.8251-9.0618 %-4000000-900000000-2,482.7753-4.2187 %-8,096.6004-10.5685 %

Known prime factors (3 factors, 146.8 bits, 0.00002104% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697890983558312786411135.70040
23 × 5
2008-04-30886.616e-120.00040.0008
69789098397121133264376091653.1096958188
22 × 32 × 193283
2008-04-3091932831.894e-60.49540.9245
6978909832948176251713064011858.033211220400
24 × 3 × 52 × 176017
2015-08-04251760179.360e-50.45190.8420

4 Composite Factors:
P-1 results:
No P-1 results for M697890983


Trial Factoring results:
57585960616263646566676869707172737475767778798081828384
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2015-08-04TJAOIManual testing258259*
58.033
18
1.79365e-6


ECM factoring results:
No ECM results for M697890983


Lucas-Lehmer results:
No L-L results for M697890983


PRP results:
No PRP results for M697890983


CERT results:
No CERT results for M697890983


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
TF factor-bounds graph:
this exponent TF target: 84
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00