is 2 697725989 - 1
has 210036452 decimal digits
takes 22,619.566 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
Actual2700.342557.1429%----0.342557.1429%0.0000%
PrimeNet280350.949562.5000%2600000180000000576.55865.6317%927.508164.6119%2.1119%
GPU722845,615.195264.2857%4000000180000000638.78364.2186%6,253.978865.7924%1.5067%
Difference-14-5,614.8527-7.1429%-4000000-180000000-638.7836-4.2186%-6,253.6363-8.6495%-8.6495%

Known prime factors (1 factor, 69.2 bits, 0.00000992% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6977259896786642253984486632072169.201486340079127
3 × 7 × 251 × 523 × 176419
2018-09-215231764190.23890.47510.8439

P-1 results:
No P-1 results for M697725989


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T10:20:00Architects Cubedm1_11263264--0.003--
2012-01-25T09:42:00laleraManual testing264265--0.005--
2013-11-21T06:31:00sasakiManual testing265266--0.011--
2014-09-15T13:27:00sasakiManual testing266268--0.064--
2022-08-10T19:30:00LordJuliusManual testing21268--0.085--
2017-06-16T00:35:02ConductorManual testing268269--0.086--
2018-09-21T21:37:04srow7Manual testing26927069.201210.06846,3530.139


ECM factoring results:
No ECM results for M697725989


Lucas-Lehmer results:
No L-L results for M697725989


PRP results:
No PRP results for M697725989


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
TF factor-bounds graph:
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-10T19:30:00+00:00