is 2 697764791 - 1
has 210048133 decimal digits
takes 22,620.824 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%
PrimeNet280350.929962.5000%2600000180000000576.55865.6318%927.488664.6119%2.1119%
GPU722845,614.882964.2857%4000000180000000638.78364.2187%6,253.666565.7924%1.5067%
Difference-16-5,614.7975-8.4034%-4000000-180000000-638.7836-4.2187%-6,253.5811-9.9100%-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
6977647911621062340803100960632167.136116161087641
3 × 47 × 12119 × 67979
2014-09-1512119679790.06670.71271.1594

P-1 results:
No P-1 results for M697764791


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T10:50:00Architects Cubedm1_07263264--0.003--
2012-01-25T11:37:00laleraManual testing264265--0.005--
2013-11-23T03:14:00sasakiManual testing265266--0.011--
2014-09-15T13:27:00sasakiManual testing26626867.136210.04646,3560.093
2022-08-10T19:30:02LordJuliusManual testing2126867.136210.06746,3560.137


ECM factoring results:
No ECM results for M697764791


Lucas-Lehmer results:
No L-L results for M697764791


PRP results:
No PRP results for M697764791


P-1 factor-bounds graph:
103
104
105
103
104
105
TF factor-bounds graph:
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:02+00:00