is 2 9659389 - 1
has 2907766 decimal digits
takes 2.817 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L6381E1193361324Edouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2673.076264.1791%17000034850000.14834.0757%3.224465.6391%1.4599%
PrimeNet2640.368562.5000%4000011000000.04133.5097%0.409863.8161%1.3161%
GPU722686.170764.7059%6500015000000.06062.5539%6.231265.6073%0.9014%
Difference-1-3.0945-0.5268%+105000+1985000+0.0877+1.5218%-3.0068+0.0318%+0.0318%

Known prime factors (1 factor, 69.0 bits, 0.00071467% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
96593896040305716729556438072169.03331266499965627
3 × 17 × 61 × 307 × 32737151
2014-11-193073273715114.8430.75441.4089

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-06-17T00:00:00ANONYMOUSv4_computers45000360000---0.026--1.840%
2011-11-23T23:39:00James HeinrichQ66001700003485000---0.148--4.076%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-08-31T00:00:00ANONYMOUSv4_computers21264--0.368--
2011-11-02T18:17:00James HeinrichManual testing264265--0.387--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.887 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.887 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.887


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-05-24T00:00:00Richard Otterv4_computers6381E1193361324E2.817
2003-08-31T00:00:00ANONYMOUSv4_computers6381E1193361324E2.817


PRP results:
dateuseridcompidcofactorsres64PRP
2019-10-11T07:07:20mnd975203b
604030571672955643807
9D9D47564CA9FA__no
2020-12-20T06:38:56kutenshadar
604030571672955643807
9D9D47564CA9FA45no


P-1 factor-bounds graph:
B1 = 170000, B2 = 3485000 (P-1 stage 2)
B1 = 170000 (P-1 stage 1)
B1 = 45000, B2 = 360000 (P-1 stage 2)
B1 = 45000 (P-1 stage 1)
101
102
103
104
105
106
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
265
264
250
260
270
280
290
2100
Last modified: 2020-12-20T06:38:56+00:00