is 2 697673953 - 1
has 210020788 decimal digits
takes 22,617.879 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%
PrimeNet280350.975662.5000%2600000180000000576.55865.6317%927.534364.6119%2.1119%
GPU722845,615.614064.2857%4000000180000000638.78364.2186%6,254.397665.7924%1.5066%
Difference-16-5,615.5286-8.4034%-4000000-180000000-638.7836-4.2186%-6,254.3122-9.9100%-9.9100%

Known prime factors (1 factor, 65.5 bits, 0.00000939% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697673953525080717824909382472065.50937630809891
32 × 4181201099
2013-11-12941812010990.020610,70820,000

P-1 results:
No P-1 results for M697673953


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-07-18T08:51:00Architects Cubedm1_18263264--0.003--
2012-01-25T14:28:00ANONYMOUSManual testing264265--0.005--
2012-01-26T12:08:00laleraManual testing264265--0.005--
2013-11-12T09:52:00sasakiManual testing26526665.509200.01046,3500.021
2022-08-10T19:29:56LordJuliusManual testing2126865.509200.02146,3500.042


ECM factoring results:
No ECM results for M697673953


Lucas-Lehmer results:
No L-L results for M697673953


PRP results:
No PRP results for M697673953


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:56+00:00