is 2 697893881 - 1
has 210086992 decimal digits
takes 22,625.009 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
Actual2732.740958.9041%----2.740958.9041%0.0000%
PrimeNet280350.865062.5000%2600000180000000576.55865.6319%927.423764.6120%2.1120%
GPU722845,613.844364.2857%4000000180000000638.78364.2187%6,252.628065.7924%1.5067%
Difference-11-5,611.1035-5.3816%-4000000-180000000-638.7836-4.2187%-6,249.8871-6.8883%-6.8883%

Known prime factors (1 factor, 66.0 bits, 0.00000945% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697893881715209143177462667532065.95551240536896
26 × 907 × 882727
2013-11-249078827270.01372.30114.2224

P-1 results:
No P-1 results for M697893881


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:20:00Architects Cubedm1_52263264--0.003--
2012-01-25T14:34:00ANONYMOUSManual testing264265--0.005--
2013-11-24T10:36:00sasakiManual testing26526665.955200.00346,3640.007
2022-08-12T16:27:11LordJuliusManual testing2127065.955200.01446,3640.028
2022-08-12T16:27:11LordJuliusManual testing270271--0.343--
2022-08-12T16:27:11LordJuliusManual testing271272--0.685--
2022-08-12T16:27:11LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697893881


Lucas-Lehmer results:
No L-L results for M697893881


PRP results:
No PRP results for M697893881


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
TF factor-bounds graph:
273
272
271
270
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:11+00:00