is 2 697881043 - 1
has 210083128 decimal digits
takes 22,624.593 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.042655.2239%----0.042655.2239%0.0000%
PrimeNet280350.871562.5000%2600000180000000576.55865.6319%927.430164.6119%2.1119%
GPU722845,613.947664.2857%4000000180000000638.78364.2187%6,252.731265.7924%1.5067%
Difference-17-5,613.9050-9.0618%-4000000-180000000-638.7836-4.2187%-6,252.6886-10.5685%-1.5067%

Known prime factors (2 factors, 103.0 bits, 0.00001477% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978810437495242401831239.447537
3 × 179
2008-04-3031791.171e-100.00060.0009
697881043139990476663283182072063.60210029680421
3 × 29 × 263 × 438341
2017-03-232634383410.00371.13432.0968

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
6978810431049262556539033201751791991188132103.049
P-1 results:
No P-1 results for M697881043


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2017-03-23T16:25:17TJAOIManual testing263264*63.602200.00146,3640.003


ECM factoring results:
No ECM results for M697881043


Lucas-Lehmer results:
No L-L results for M697881043


PRP results:
No PRP results for M697881043


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
TF factor-bounds graph:
267
264
230
240
250
260
270
280
290
2100
Last modified: 2017-03-23T16:25:17+00:00