is 2 697843879 - 1
has 210071940 decimal digits
takes 22,623.388 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
Actual2700.342457.1429%----0.342457.1429%0.0000%
PrimeNet280350.890262.5000%2600000180000000576.55865.6318%927.448864.6119%2.1119%
GPU722845,614.246664.2857%4000000180000000638.78364.2187%6,253.030265.7924%1.5067%
Difference-14-5,613.9042-7.1429%-4000000-180000000-638.7836-4.2187%-6,252.6878-8.6495%-8.6495%

Known prime factors (1 factor, 69.2 bits, 0.00000991% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978438796631948503923620411672169.168475174226177
7 × 907 × 74842373
2018-09-21907748423730.1895191.72358.00

P-1 results:
No P-1 results for M697843879


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T12:20:00Architects Cubedm1_76263264--0.003--
2012-01-25T11:30:00laleraManual testing264265--0.005--
2013-11-24T10:35:00sasakiManual testing265266--0.011--
2014-09-17T09:25:00sasakiManual testing266268--0.064--
2022-08-10T19:30:10LordJuliusManual testing21268--0.085--
2017-06-16T20:58:10ConductorManual testing268269--0.086--
2018-09-21T21:38:50srow7Manual testing26927069.168210.01846,3610.038


ECM factoring results:
No ECM results for M697843879


Lucas-Lehmer results:
No L-L results for M697843879


PRP results:
No PRP results for M697843879


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
TF factor-bounds graph:
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:10+00:00