is 2 5936813 - 1
has 1787159 decimal digits
takes 1.052 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-LAD4B3231F034883Cdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2675.005065.6716%7000011200000.03272.5278%5.037766.5394%0.8677%
PrimeNet2620.103562.9032%260006000000.01473.3239%0.118264.1363%1.2331%
GPU722662.487665.1515%400008000000.02092.3437%2.508565.9682%0.8167%
Difference+1+2.5174+0.5201%+30000+320000+0.0118+0.1841%+2.5292+0.5711%+0.5711%

Known prime factors (1 factor, 73.6 bits, 0.00123956% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5936813142229200593282310390312373.5911197858182439655
5 × 11 × 25969 × 838663009
2011-06-2325969838663009556.2011.74821.930

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2000-10-15T00:00:00kraDenv4_computers30000345000---0.012--1.522%
2011-06-22T05:25:00harleeP4_2600700001120000---0.033--2.528%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-05-16T00:00:00ANONYMOUSv4_computers21262--0.103--
1998-11-07T00:00:00ANONYMOUSv4_computers21262--0.103--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CurvesCompleteFacMiss

New Calculation Method

Total ECM effort:0.000 GHz-days
DigitsB1CompleteFacMiss


ECM Summary

B1B2factorcurvesGHz-days
10.00000e+0


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1998-11-07T00:00:00ANONYMOUSv4_computersAD4B3231F034883C1.052
2000-11-25T00:00:00kraDenv4_computersAD4B3231F034883C1.052


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T06:26:49kkmrkkblmbrbkManual testing
14222920059328231039031
86DA981BDACFCC__no
2018-09-13T00:43:03ANONYMOUS
14222920059328231039031
86DA981BDACFCC__no


P-1 factor-bounds graph:
B1 = 70000, B2 = 1120000 (P-1 stage 2)
B1 = 70000 (P-1 stage 1)
B1 = 30000, B2 = 345000 (P-1 stage 2)
B1 = 30000 (P-1 stage 1)
103
104
105
103
104
105
106
107
108
109
TF factor-bounds graph:
267
262
250
260
270
280
290
2100
Last modified: 2018-09-13T00:43:03+00:00