is 2 697885081 - 1
has 210084343 decimal digits
takes 22,624.724 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
Actual2732.740958.9041%----2.740958.9041%0.0000%
PrimeNet280350.869562.5000%2600000180000000576.55865.6319%927.428164.6120%2.1120%
GPU722845,613.915164.2857%4000000180000000638.78364.2187%6,252.698765.7924%1.5067%
Difference-11-5,611.1742-5.3816%-4000000-180000000-638.7836-4.2187%-6,249.9578-6.8883%-6.8883%

Known prime factors (2 factors, 140.1 bits, 0.00002007% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6978850817461423258306743136412169.338534573919220
22 × 5 × 11 × 17 × 142934203
2018-09-22171429342030.2608366.07683.71
69788508119380450202795522486792270.7151388513003819
1388513003819
2022-08-12113885130038190.41803,556,1206,641,842

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
697885081144605741899594148181440222879322647393023943140.053
P-1 results:
No P-1 results for M697885081


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-03-17T00:00:00lindedv4_computers261262--0.000--
2010-07-18T13:30:00Architects Cubedm1_48263264--0.003--
2012-01-25T14:33:00ANONYMOUSManual testing264265--0.005--
2012-01-26T14:39:00laleraManual testing264265--0.005--
2013-11-24T10:36:00sasakiManual testing265266--0.011--
2014-09-17T09:26:00sasakiManual testing266268--0.064--
2017-06-17T00:28:46ConductorManual testing268269--0.086--
2018-09-22T22:16:50srow7Manual testing26927069.338210.09046,3630.184
2022-08-12T16:27:09LordJuliusManual testing2127069.338210.26146,3630.534
2022-08-12T16:27:09LordJuliusManual testing27027170.715220.07646,3630.155
2022-08-12T16:27:09LordJuliusManual testing271272--0.685--
2022-08-12T16:27:09LordJuliusManual testing272273--1.371--


ECM factoring results:
No ECM results for M697885081


Lucas-Lehmer results:
No L-L results for M697885081


PRP results:
No PRP results for M697885081


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
TF factor-bounds graph:
273
272
271
270
269
268
266
265
264
262
250
260
270
280
290
2100
Last modified: 2022-08-12T16:27:09+00:00