is 2 57939331 - 1
has 17441477 decimal digits
takes 122.799 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2718.251463.3803%----8.251463.3803%1.0614%
PrimeNet2692.060562.3188%260000110000002.59735.5402%4.657867.8590%5.5402%
GPU7227333.014664.3836%400000130000003.33904.0768%36.353668.4603%4.0768%
Difference-2-24.7632-1.0033%-400000-13000000-3.3390-4.0768%-28.1022-5.0801%-5.0801%

Known prime factors (2 factors, 161.0 bits, 0.00027784% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
57939331364303389546939424467372374.948314383496719128
23 × 3 × 683 × 15193 × 1262363
1519312623632012-02-0281.2980.25550.3948
57939331791256870424627675543077292686.032682832246047704344
23 × 43 × 73 × 89 × 167 × 1249 × 1464751
124914647512012-02-02287,1080.24890.4581

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
57939331288257559897995308579433692042283626898648993027349160.980
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-02-02T18:44:00Ge yongSheng_Shi_349160.980-245.6-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23T00:00:00ANONYMOUSv4_computers?253--2.07100e-5--
2000-03-08T00:00:00ANONYMOUSv4_computers?254--4.14200e-5--
2000-06-23T00:00:00ANONYMOUSv4_computers?256--0.000--
2001-09-30T00:00:00ANONYMOUSv4_computers?257--0.000--
2002-12-02T00:00:00ANONYMOUSv4_computers?258--0.001--
2003-11-08T00:00:00Team Prime Ribv4_computers?260--0.001--
2009-03-13T17:28:00Sturle Sundechuchunge.ifi263264--0.034--
2009-03-14T12:25:00Dr Stuvin264265--0.064--
2009-03-16T18:29:00ANONYMOUS265266--0.129--
2009-03-18T14:53:00ANONYMOUS266267--0.258--
2010-01-11T17:49:00kevsuck267268--0.516--
2011-04-27T17:46:00Paul LeylandManual testing268269--1.032--
2011-06-18T22:43:00ChuckManual testing269270--2.064--
2011-06-18T22:43:00ChuckManual testing270271--4.127--


ECM factoring results:
Exponent "57939331" not found


Lucas-Lehmer results:
Exponent "57939331" not found


PRP results:
Exponent "57939331" not found


P-1 factor-bounds graph:
102
103
104
105
102
103
104
105
106
107
TF factor-bounds graph:
271
270
269
268
267
266
265
264
260
258
257
256
254
253
250
260
270
280
290
2100
Last modified: 2012-02-02T18:44:11+00:00