is 280910023-1
has 24,356,344 decimal digits
takes 252.479 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
Actual27594.573164.0000%680,00013,600,0006.26183.7728%100.834967.7728%5.8010%
PrimeNet2715.908861.9718%340,00016,000,0005.39895.2540%11.307667.2259%5.2540%
GPU7227594.573164.0000%500,00017,000,0006.32993.7881%100.903067.7881%3.7881%
Difference---+180,000-3,400,000-0.0681-0.0153%-0.0681-0.0153%-0.0153%

Known prime factors (1 factor, 122.7 bits, 0.00015168% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
80910023876154267596674933173121309650050584937122.72154143741103415267424477268388
22 × 19 × 827 × 1123 × 13901 × 146477 × 420781 × 895319
420,781895,3192017-03-181.973e+92.02093.8748

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-03-18T20:29:17ATHxps680,00013,600,000637122.7216.262505.012.523.773%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-10T14:20:00For Researchm1_25264265--0.046--
2011-02-07T21:28:00Pi_RhoManual testing265266--0.092--
2011-02-11T10:23:00MarekBkoza11266267--0.185--
2011-02-17T11:03:00MarekBkoza11267268--0.369--
2011-02-24T12:14:00MarekBkoza11268269--0.739--
2011-03-15T18:33:00benthomas28269270--1.478--
2013-06-12T11:11:00Juergen KampmeierManual testing270271--2.955--
2013-06-12T11:11:00Juergen KampmeierManual testing271272--5.911--
2013-06-12T11:11:00Juergen KampmeierManual testing272273--11.82--
2016-10-27T00:55:22Judge HaleManual testing273274--23.64--
2016-11-01T16:02:02Mark RoseManual testing274275--47.29--


ECM factoring results:
Exponent "80910023" not found


Lucas-Lehmer results:
Exponent "80910023" not found


PRP results:
Exponent "80910023" 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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TF factor-bounds graph:
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Last modified: 2017-03-18T20:29:17+00:00