is 2 697840817 - 1
has 210071019 decimal digits
takes 22,623.289 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%
PrimeNet280350.891762.5000%2600000180000000576.55865.6318%927.450364.6119%2.1119%
GPU722845,614.271264.2857%4000000180000000638.78364.2187%6,253.054865.7924%1.5067%
Difference-16-5,614.1858-8.4034%-4000000-180000000-638.7836-4.2187%-6,252.9694-9.9100%-9.9100%

Known prime factors (1 factor, 67.2 bits, 0.00000963% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978408171680262046561175343992167.187120390066447
3 × 7 × 5732860307
2014-09-17757328603070.082914,68227,423

P-1 results:
No P-1 results for M697840817


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-06-25T07:50:00Architects Cubedm1_51263264--0.003--
2012-01-25T11:30:00laleraManual testing264265--0.005--
2013-11-24T10:34:00sasakiManual testing265266--0.011--
2014-09-17T09:25:00sasakiManual testing26626867.187210.06246,3610.126
2022-08-10T19:30:09LordJuliusManual testing2126867.187210.08346,3610.170


ECM factoring results:
No ECM results for M697840817


Lucas-Lehmer results:
No L-L results for M697840817


PRP results:
No PRP results for M697840817


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: 2022-08-10T19:30:09+00:00