is 2 697873447 - 1
has 210080841 decimal digits
takes 22,624.346 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%
PrimeNet280350.875362.5000%2600000180000000576.55865.6319%927.433964.6119%2.1119%
GPU722845,614.008764.2857%4000000180000000638.78364.2187%6,252.792365.7924%1.5067%
Difference-11-5,611.2678-5.3816%-4000000-180000000-638.7836-4.2187%-6,250.0514-6.8883%-6.8883%

Known prime factors (2 factors, 141.1 bits, 0.00002022% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978734474454826599725135579032168.594319171521633
3 × 47 × 2263627813
2017-06-164722636278130.16615,797.410,828
69787344767023660713137631640072272.5054801992467349
3 × 7 × 11 × 11689 × 1778411
2022-08-121168917784112.67245.07428.5069

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
697873447298578786555838071197979149469335007999732143141.099
P-1 results:
No P-1 results for M697873447


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:20:00Architects Cubedm1_65263264--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 testing266268--0.064--
2017-06-17T00:28:42ConductorManual testing26826968.594210.08146,3630.165
2022-08-12T16:27:06LordJuliusManual testing2127068.594210.16646,3630.340
2022-08-12T16:27:06LordJuliusManual testing270271--0.343--
2022-08-12T16:27:06LordJuliusManual testing271272--0.685--
2022-08-12T16:27:06LordJuliusManual testing27227372.505221.30246,3602.668


ECM factoring results:
No ECM results for M697873447


Lucas-Lehmer results:
No L-L results for M697873447


PRP results:
No PRP results for M697873447


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
106
107
108
109
1010
TF factor-bounds graph:
273
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:06+00:00