is 2 697697557 - 1
has 210027893 decimal digits
takes 22,618.644 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%
PrimeNet280350.963862.5000%2600000180000000576.55865.6317%927.522464.6119%2.1119%
GPU722845,615.424064.2857%4000000180000000638.78364.2186%6,254.207665.7924%1.5066%
Difference-16-5,615.3386-8.4034%-4000000-180000000-638.7836-4.2186%-6,254.1222-9.9100%-9.9100%

Known prime factors (1 factor, 67.1 bits, 0.00000962% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6976975571565108144198150780872167.085112162363799
23 × 173 × 28188581
2014-09-15173281885810.082172.201134.84

P-1 results:
No P-1 results for M697697557


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-01-04T00:00:00lindedv4_computers261262--0.000--
2010-07-18T09:41:00Architects Cubedm1_08263264--0.003--
2012-01-25T14:29:00ANONYMOUSManual testing264265--0.005--
2012-01-26T12:09:00laleraManual testing264265--0.005--
2013-11-13T09:36:00sasakiManual testing265266--0.011--
2014-09-15T13:27:00sasakiManual testing26626867.085210.06146,3520.125
2022-08-10T19:29:58LordJuliusManual testing2126867.085210.08246,3520.168


ECM factoring results:
No ECM results for M697697557


Lucas-Lehmer results:
No L-L results for M697697557


PRP results:
No PRP results for M697697557


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
TF factor-bounds graph:
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:29:58+00:00