is 2 697701881 - 1
has 210029195 decimal digits
takes 22,618.784 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
Actual2680.085455.8824%----0.085455.8824%0.0000%
PrimeNet280350.961662.5000%2600000180000000576.55865.6317%927.520264.6119%2.1119%
GPU722845,615.389264.2857%4000000180000000638.78364.2186%6,254.172865.7924%1.5066%
Difference-16-5,615.3038-8.4034%-4000000-180000000-638.7836-4.2186%-6,254.0874-9.9100%-9.9100%

Known prime factors (1 factor, 67.5 bits, 0.00000968% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6977018812129420351088790696812167.529152602451640
23 × 32 × 5 × 293 × 1063 × 1361
2014-09-15106313610.07210.05070.1017

P-1 results:
No P-1 results for M697701881


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-07-18T09:41:00Architects Cubedm1_44263264--0.003--
2012-01-25T09:42:00laleraManual testing264265--0.005--
2013-11-19T05:17:00sasakiManual testing265266--0.011--
2014-09-15T13:27:00sasakiManual testing26626867.529210.05146,3520.104
2022-08-10T19:29:58LordJuliusManual testing2126867.529210.07246,3520.148


ECM factoring results:
No ECM results for M697701881


Lucas-Lehmer results:
No L-L results for M697701881


PRP results:
No PRP results for M697701881


P-1 factor-bounds graph:
102
103
104
102
103
104
TF factor-bounds graph:
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:58+00:00