is 2 697904131 - 1
has 210090078 decimal digits
takes 22,625.341 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
Actual2732.740858.9041%----2.740858.9041%0.0000%
PrimeNet280350.859962.5000%2600000180000000576.55865.6319%927.418564.6120%2.1120%
GPU722845,613.761964.2857%4000000180000000638.78364.2187%6,252.545565.7924%1.5067%
Difference-11-5,611.0211-5.3816%-4000000-180000000-638.7836-4.2187%-6,249.8047-6.8883%-6.8883%

Known prime factors (1 factor, 69.4 bits, 0.00000994% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6979041317669159955945241626572169.378549442223888
24 × 34340138993
2018-09-2216343401389930.220387,949164,263

P-1 results:
No P-1 results for M697904131


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-06-26T23:50:00Architects Cubedm1_18263264--0.003--
2012-01-25T15:55:00laleraManual testing264265--0.005--
2013-11-13T23:21:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing266268--0.064--
2017-06-17T00:58:59ConductorManual testing268269--0.086--
2018-09-22T22:17:22srow7Manual testing26927069.378210.04946,3650.101
2022-08-13T01:07:41LordJuliusManual testing2127069.378210.22046,3650.451
2022-08-13T01:07:41LordJuliusManual testing270271--0.343--
2022-08-13T01:07:41LordJuliusManual testing271272--0.685--
2022-08-13T01:07:41LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697904131


Lucas-Lehmer results:
No L-L results for M697904131


PRP results:
No PRP results for M697904131


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
TF factor-bounds graph:
273
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-13T01:07:41+00:00