is 2 13192483 - 1
has 3971334 decimal digits
takes 5.389 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L06956C9348ED9CE1double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2672.252364.1791%2050002050000.12141.8273%2.373864.8337%0.6546%
PrimeNet2640.269862.5000%6000017000000.08854.3464%0.358364.1299%1.6299%
GPU722684.518164.7059%9000024000000.12783.1757%4.645965.8267%1.1208%
Difference-1-2.2658-0.5268%+115000-2195000-0.0064-1.3484%-2.2722-0.9930%-0.9930%

Known prime factors (1 factor, 76.2 bits, 0.00057738% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
13192483850883998282000086697692376.1713224881920567948
22 × 3 × 2069 × 121951 × 1065091
2016-06-0612195110650911,533.70.10270.1470

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-01-16T00:00:00ANONYMOUSv4_computers205000205000---0.121--1.827%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-05-10T00:00:00ANONYMOUSv4_computers21264--0.270--
2013-05-19T20:08:00lycornManual testing264265--0.283--
2014-05-26T11:16:00NesowaManual testing265266--0.566--
2015-07-14T13:29:00NesowaManual testing266267--1.133--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.621 GHz-days
Estimated T-Level:0.050
DigitsB1CurvesCompleteFacMiss
20110001 / 1000.01099.000%
25500001 / 2800.00499.643%

New Calculation Method

Total ECM effort:0.621 GHz-days
Estimated T-Level:0.050
DigitsB1CompleteFacMiss
20110000.03296.826%
25500000.00399.709%


ECM Summary

B1B2factorcurvesGHz-days
50000500000010.621


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2003-02-16T00:00:00ANONYMOUSv4_computers06956C9348ED9CE15.389
2005-01-10T00:00:00ANONYMOUSv4_computers06956C9348ED9CE15.389


PRP results:
No PRP results for M13192483


P-1 factor-bounds graph:
B1 = 205000 (P-1 stage 1)
104
105
106
104
105
106
107
TF factor-bounds graph:
267
266
265
264
250
260
270
280
290
2100
Last modified: 2016-06-06T11:04:56+00:00