is 2 697874491 - 1
has 210081155 decimal digits
takes 22,624.380 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
Actual2732.741058.9041%----2.741058.9041%0.0000%
PrimeNet280350.874862.5000%2600000180000000576.55865.6319%927.433464.6119%2.1119%
GPU722845,614.000364.2857%4000000180000000638.78364.2187%6,252.783965.7924%1.5067%
Difference-11-5,611.2594-5.3816%-4000000-180000000-638.7836-4.2187%-6,250.0430-6.8883%-6.8883%

Known prime factors (1 factor, 67.3 bits, 0.00000965% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978744911873170617079503235432167.344134205408081
32 × 103 × 144773903
2014-09-171031447739030.0695370.78692.51

P-1 results:
No P-1 results for M697874491


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:20:00Architects Cubedm1_15263264--0.003--
2012-01-25T14:33:00ANONYMOUSManual testing264265--0.005--
2012-01-26T14:39:00laleraManual testing264265--0.005--
2013-11-24T10:35:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing26626867.344210.04846,3630.099
2022-08-12T16:27:06LordJuliusManual testing2127067.344210.06946,3630.142
2022-08-12T16:27:06LordJuliusManual testing270271--0.343--
2022-08-12T16:27:06LordJuliusManual testing271272--0.685--
2022-08-12T16:27:06LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697874491


Lucas-Lehmer results:
No L-L results for M697874491


PRP results:
No PRP results for M697874491


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
273
272
271
270
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:06+00:00