is 2 697668577 - 1
has 210019169 decimal digits
takes 22,617.705 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%
PrimeNet280350.978362.5000%2600000180000000576.55865.6317%927.537064.6119%2.1119%
GPU722845,615.657364.2857%4000000180000000638.78364.2186%6,254.440965.7924%1.5066%
Difference-16-5,615.5718-8.4034%-4000000-180000000-638.7836-4.2186%-6,254.3554-9.9100%-9.9100%

Known prime factors (1 factor, 66.3 bits, 0.00000950% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
697668577887853437621679817912066.26763630029135
5 × 31 × 410516317
2014-09-15314105163170.03361,051.41,963.7

P-1 results:
No P-1 results for M697668577


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T08:40:00Architects Cubedm1_01263264--0.003--
2012-01-25T14:28:00ANONYMOUSManual testing264265--0.005--
2012-01-26T12:08:00laleraManual testing264265--0.005--
2013-11-12T09:51:00sasakiManual testing265266--0.011--
2014-09-15T13:26:00sasakiManual testing26626866.267200.01246,3500.025
2022-08-10T19:29:56LordJuliusManual testing2126866.267200.03446,3500.069


ECM factoring results:
No ECM results for M697668577


Lucas-Lehmer results:
No L-L results for M697668577


PRP results:
No PRP results for M697668577


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