is 2 697681427 - 1
has 210023037 decimal digits
takes 22,618.121 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
Actual2690.171156.5217%----0.171156.5217%0.0000%
PrimeNet280350.971962.5000%2600000180000000576.55865.6317%927.530564.6119%2.1119%
GPU722845,615.553864.2857%4000000180000000638.78364.2186%6,254.337565.7924%1.5066%
Difference-15-5,615.3827-7.7640%-4000000-180000000-638.7836-4.2186%-6,254.1663-9.2706%-9.2706%

Known prime factors (1 factor, 68.0 bits, 0.00000975% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6976814272999803834659300026232168.023214983781893
32 × 47 × 389 × 1306519
2017-06-1538913065190.09613.36346.2496

P-1 results:
No P-1 results for M697681427


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-06-25T10:50:00Architects Cubedm1_61263264--0.003--
2012-01-25T14:29:00ANONYMOUSManual testing264265--0.005--
2012-01-26T12:08:00laleraManual testing264265--0.005--
2013-11-12T22:49:00sasakiManual testing265266--0.011--
2014-09-15T13:26:00sasakiManual testing266268--0.064--
2022-08-10T19:29:56LordJuliusManual testing21268--0.085--
2017-06-15T23:36:19ConductorManual testing26826968.023210.01146,3500.022


ECM factoring results:
No ECM results for M697681427


Lucas-Lehmer results:
No L-L results for M697681427


PRP results:
No PRP results for M697681427


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:56+00:00