is 2 697907989 - 1
has 210091239 decimal digits
takes 22,625.466 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%
PrimeNet280350.857962.5000%2600000180000000576.55865.6319%927.416664.6120%2.1120%
GPU722845,613.730964.2857%4000000180000000638.78364.2187%6,252.514565.7924%1.5067%
Difference-11-5,610.9900-5.3816%-4000000-180000000-638.7836-4.2187%-6,249.7736-6.8883%-6.8883%

Known prime factors (1 factor, 66.8 bits, 0.00000957% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6979079891294296971123233219992166.81192726906091
3 × 67 × 607 × 827 × 919
2014-09-178279190.04030.03910.0791

P-1 results:
No P-1 results for M697907989


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:41:00Architects Cubedm1_67263264--0.003--
2012-01-25T15:56:00laleraManual testing264265--0.005--
2013-11-13T23:21:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing26626866.811210.01946,3650.039
2022-08-13T01:07:42LordJuliusManual testing2127066.811210.04046,3650.083
2022-08-13T01:07:42LordJuliusManual testing270271--0.343--
2022-08-13T01:07:42LordJuliusManual testing271272--0.685--
2022-08-13T01:07:42LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697907989


Lucas-Lehmer results:
No L-L results for M697907989


PRP results:
No PRP results for M697907989


P-1 factor-bounds graph:
101
102
103
101
102
103
TF factor-bounds graph:
273
272
271
270
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-13T01:07:42+00:00