is 2 697721137 - 1
has 210034991 decimal digits
takes 22,619.409 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%
PrimeNet280350.951962.5000%2600000180000000576.55865.6317%927.510564.6119%2.1119%
GPU722845,615.234264.2857%4000000180000000638.78364.2186%6,254.017865.7924%1.5067%
Difference-14-5,614.8918-7.1429%-4000000-180000000-638.7836-4.2186%-6,253.6754-8.6495%-8.6495%

Known prime factors (1 factor, 69.7 bits, 0.00000999% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6977211379406704813785130906972169.672674102038404
22 × 3 × 29 × 191 × 10141753
2018-09-21191101417530.192025.98348.512

P-1 results:
No P-1 results for M697721137


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-14T17:20:00Architects Cubedm1_71263264--0.003--
2012-01-25T09:42:00laleraManual testing264265--0.005--
2013-11-21T06:30:00sasakiManual testing265266--0.011--
2014-09-15T13:27:00sasakiManual testing266268--0.064--
2022-08-10T19:30:00LordJuliusManual testing21268--0.085--
2017-06-16T00:35:00ConductorManual testing268269--0.086--
2018-09-21T21:36:59srow7Manual testing26927069.672210.02146,3530.043


ECM factoring results:
No ECM results for M697721137


Lucas-Lehmer results:
No L-L results for M697721137


PRP results:
No PRP results for M697721137


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
108
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