is 283859989-1
has 25,244,373 decimal digits
takes 261.684 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
Actual276182.494664.4737%640,000640,0002.89581.3789%185.390465.8526%3.8808%
PrimeNet2715.700961.9718%360,00017,000,0005.73105.3724%11.431967.3442%5.3724%
GPU7227591.246264.0000%550,00019,000,0007.03693.9376%98.283167.9376%3.9376%
Difference+1+91.2483+0.4737%+90,000-18,360,000-4.1410-2.5586%+87.1073-2.0850%-2.0850%

Known prime factors (1 factor, 124.7 bits, 0.00014873% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
838599893509685284378029534512864446226067312138124.723209258630142321479109236733040
24 × 5 × 7 × 112 × 29 × 131 × 179 × 2203 × 58901 × 103007 × 339769
103,007339,7692017-09-231.786e+90.52440.9485

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-09-23T22:32:35One ManQ9550640,000640,00038124.7232.896523.45.7921.379%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-21T19:20:00For Researchm1_55264265--0.045--
2012-08-16T06:17:00Carsten KossendeyManual testing265266--0.089--
2013-02-18T04:55:00SMoffatManual testing266267--0.178--
2013-06-14T08:08:00g0bManual testing267268--0.356--
2013-06-17T07:36:00g0bManual testing268269--0.713--
2013-06-21T14:03:00ANONYMOUS269270--1.426--
2013-07-24T12:39:00willmoreManual testing270271--2.852--
2017-02-11T00:54:05ANONYMOUSManual testing271272--5.703--
2017-02-11T00:54:05ANONYMOUSManual testing272273--11.41--
2017-02-11T00:54:05ANONYMOUSManual testing273274--22.81--
2017-02-12T09:29:13Brian LenhartManual testing274275--45.62--
2017-03-28T12:29:02HardyP GermanyManual testing275276--91.25--


ECM factoring results:
Exponent "83859989" not found


Lucas-Lehmer results:
Exponent "83859989" not found


PRP results:
Exponent "83859989" not found


P-1 factor-bounds graph:
B1 = 640,000 (stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2017-09-23T22:32:35+00:00