is 280389501-1
has 24,199,652 decimal digits
takes 250.854 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
Actual27595.185464.0000%680,00013,600,0006.26183.7698%101.447267.7698%5.7980%
PrimeNet2715.947061.9718%340,00016,000,0005.39895.2499%11.345967.2217%5.2499%
GPU7227595.185464.0000%500,00017,000,0006.32993.7851%101.515367.7851%3.7851%
Difference---+180,000-3,400,000-0.0681-0.0152%-0.0681-0.0152%-0.0152%

Known prime factors (1 factor, 129.7 bits, 0.00016129% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
80389501107675085447719345808559319659459324894340129.6626697086317759289599804787919971
3 × 7 × 13 × 1283 × 1933 × 3793 × 6451 × 16301 × 22549 × 1099799
22,5491,099,7992017-01-021.855e+90.36760.5064

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-01-03T02:16:11BruceDesk1680,00013,600,0001240129.6626.262501.712.523.770%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-28T03:30:00For Researchm1_03264265--0.046--
2011-01-19T01:25:00Charles A. Morrischandra265266--0.093--
2011-01-23T23:36:00Hrudey4098Main266267--0.186--
2013-01-26T12:49:00phoenicisManual testing267268--0.372--
2013-02-04T23:58:00tomfr701268269--0.744--
2013-06-07T08:55:00ANONYMOUS269270--1.487--
2013-07-11T10:40:00Le ComteManual testing270271--2.975--
2016-03-25T16:57:16David CampeauManual testing271272--5.949--
2016-03-25T16:57:16David CampeauManual testing272273--11.90--
2016-10-14T12:45:10Sid & AndyManual testing273274--23.80--
2016-10-14T12:45:10Sid & AndyManual testing274275--47.59--


ECM factoring results:
Exponent "80389501" not found


Lucas-Lehmer results:
Exponent "80389501" not found


PRP results:
Exponent "80389501" not found


P-1 factor-bounds graph:
B1 = 680,000, B2 = 13,600,000 (stage 2)
B1 = 680,000 (stage 1)
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108
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
250
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270
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2100
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2120
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Last modified: 2017-01-03T02:16:11+00:00