is 2 55282523 - 1
has 16641698 decimal digits
takes 117.168 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
Actual2718.647963.3803%----8.647963.3803%0.0000%
PrimeNet2692.159662.3188%240000100000002.37175.3590%4.531364.3382%2.0193%
GPU7227334.601264.3836%360000120000003.05533.9326%37.656665.7842%1.4007%
Difference-2-25.9533-1.0033%-360000-12000000-3.0553-3.9326%-29.0086-2.4039%-2.4039%

Known prime factors (1 factor, 76.0 bits, 0.00013739% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
55282523732058025190057674417992375.954662106200534713
11 × 2311 × 25747 × 1011599
2012-05-12257471011599244.860.24420.3164

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-05-12T16:18:00Jwb52zClay2375.954-234.3-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-15T00:00:00ANONYMOUSv4_computers21253--2.17053e-5--
2000-01-12T00:00:00ANONYMOUSv4_computers21253--2.17053e-5--
2000-03-08T00:00:00ANONYMOUSv4_computers21254--4.34106e-5--
2000-05-31T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-09-16T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-07-14T00:00:00ANONYMOUSv4_computers21258--0.001--
2008-10-27T00:26:001997rj7Manual testing21264--0.064--
2009-01-01T21:19:00LuftyI7264265--0.068--
2009-01-05T05:56:00ANONYMOUS2941server265266--0.135--
2009-01-08T14:19:00ANONYMOUS2941server266267--0.270--
2009-07-16T03:36:00SAHS Science Deptold_laptop267268--0.541--
2011-04-05T18:52:00dsls1268269--1.081--
2011-06-17T18:57:00shaugeManual testing269270--2.163--
2011-06-17T18:57:00shaugeManual testing270271--4.326--


ECM factoring results:
No ECM results for M55282523


Lucas-Lehmer results:
No L-L results for M55282523


PRP results:
No PRP results for M55282523


P-1 factor-bounds graph:
103
104
105
103
104
105
106
107
TF factor-bounds graph:
271
270
269
268
267
266
265
264
258
257
256
254
253
250
260
270
280
290
2100
Last modified: 2012-05-12T16:18:49+00:00