is 2 697909021 - 1
has 210091550 decimal digits
takes 22,625.500 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
Actual2732.740858.9041%----2.740858.9041%0.0000%
PrimeNet280350.857462.5000%2600000180000000576.55865.6319%927.416064.6120%2.1120%
GPU722845,613.722664.2857%4000000180000000638.78364.2188%6,252.506265.7924%1.5067%
Difference-11-5,610.9817-5.3816%-4000000-180000000-638.7836-4.2188%-6,249.7653-6.8883%-6.8883%

Known prime factors (1 factor, 69.1 bits, 0.00000991% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6979090216528294562905561970072169.145467703838643
28069 × 16662647
2018-09-2228069166626470.189743.92279.704

P-1 results:
No P-1 results for M697909021


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-06-25T07:50:00Architects Cubedm1_64263264--0.003--
2012-01-25T15:56:00laleraManual testing264265--0.005--
2013-11-13T23:21:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing266268--0.064--
2017-06-17T12:59:56ConductorManual testing268269--0.086--
2018-09-22T22:17:30srow7Manual testing26927069.145210.01946,3650.038
2022-08-13T01:07:43LordJuliusManual testing2127069.145210.19046,3650.389
2022-08-13T01:07:43LordJuliusManual testing270271--0.343--
2022-08-13T01:07:43LordJuliusManual testing271272--0.685--
2022-08-13T01:07:43LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697909021


Lucas-Lehmer results:
No L-L results for M697909021


PRP results:
No PRP results for M697909021


P-1 factor-bounds graph:
103
104
105
103
104
105
106
107
108
TF factor-bounds graph:
273
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-13T01:07:43+00:00