is 254945109-1
has 16,540,126 decimal digits
takes 108.555 GHz-days to do one L-L 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
Actual27217.405363.8889%----17.405363.8889%1.5700%
PrimeNet2692.172862.3188%240,00010,000,0002.21095.3549%4.383767.6737%5.3549%
GPU7227334.813764.3836%360,00012,000,0002.84813.9296%37.661868.3131%3.9296%
Difference-1-17.4085-0.4947%-360,000-12,000,000-2.8481-3.9296%-20.2566-4.4242%-4.4242%

Known prime factors (1 factor, 127.5 bits, 0.00023213% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
5494510924835580912716613992136284567354227415139127.5462260035639634149601208024227175
52 × 31 × 89 × 107 × 353 × 9437 × 60013 × 446951 × 3427093
446,9513,427,0932012-05-202.937e+91.74552.6058

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2012-05-20T15:19:00TheJudgerManual testing-248,355,809,127,166,144-921,362,845,673,542,27239127.546-217.1-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-15T00:00:00ANONYMOUSv4_computers?253--2.18386e-5--
2000-01-12T00:00:00ANONYMOUSv4_computers?253--2.18386e-5--
2000-03-01T00:00:00ANONYMOUSv4_computers?254--4.36772e-5--
2000-06-11T00:00:00ANONYMOUSv4_computers?256--0.000--
2001-08-26T00:00:00ANONYMOUSv4_computers?257--0.000--
2002-10-12T00:00:00ANONYMOUSv4_computers?258--0.001--
2008-07-29T09:33:00ANONYMOUSManual testing?263--0.018--
2009-03-06T16:21:00ANONYMOUS263264--0.036--
2009-03-17T15:34:00ANONYMOUS264265--0.068--
2009-05-26T03:56:00Sturle Sundebakeng.ifi265266--0.136--
2009-05-27T20:56:00Sturle Sundebakeng.ifi266267--0.272--
2009-05-29T05:43:00Sturle Sundegaudi.ifi267268--0.544--
2011-05-07T20:12:00steinrarManual testing268269--1.088--
2011-08-17T22:21:00ChuckManual testing269270--2.176--
2011-08-17T22:21:00ChuckManual testing270271--4.352--
2011-08-17T22:21:00ChuckManual testing271272--8.704--


ECM factoring results:
Exponent "54945109" not found


Lucas-Lehmer results:
Exponent "54945109" not found


PRP results:
Exponent "54945109" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
272
271
270
269
268
267
266
265
264
263
258
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256
254
253
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Last modified: 2012-05-20T15:19:59+00:00