is 278001709-1
has 23,480,855 decimal digits
takes 243.403 GHz-days to do one L-L test
Last-known PrimeNet details:
1 L-L tests remaining
ResidueStatus
L-L6ED4C5C7199160__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276196.200864.4737%2,100,00048,000,00020.81714.9212%217.017869.3949%7.4231%
PrimeNet2716.129161.9718%320,00016,000,0005.31335.1896%11.442467.1614%5.1896%
GPU7227598.099264.0000%500,00017,000,0006.32993.7709%104.429167.7709%3.7709%
Difference+1+98.1015+0.4737%+1,600,000+31,000,000+14.4872+1.1504%+112.5887+1.6241%+1.6241%

Known prime factors (1 factor, 124.6 bits, 0.00015977% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
780017093273725930214789418758503796762999808138124.622209849628436653190429359938560
210 × 5 × 41 × 144037 × 588619 × 2053307 × 5742383
2,053,3075,742,3832020-02-091.824e+910.20018.908

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-10-26T12:59:00snme2pm1G1735,00014,883,750---6.814--3.505%
2020-02-09T11:40:33mikrS0632,100,00048,000,000638124.62220.82486.841.634.921%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23T00:00:00ANONYMOUSv4_computers?253--1.53833e-5--
2002-01-08T00:00:00Jocelyn Larouchev4_computers?258--0.000--
2004-03-01T00:00:00AxelFoxv4_computers?262--0.004--
2004-05-11T00:00:00AxelFoxv4_computers?264--0.025--
2004-12-23T00:00:00ANONYMOUSv4_computers?265--0.048--
2010-10-18T00:59:00josiboZiben265266--0.096--
2010-12-23T02:58:00Vyacheslav Maslov266267--0.192--
2010-12-29T18:33:00uzyyaar_dragonfly267268--0.383--
2011-01-12T14:24:00Nickwork1268269--0.766--
2011-02-04T13:51:00MarekBK137269270--1.533--
2013-01-12T10:14:00ITSLJCA_-_ServerStation270271--3.066--
2013-07-28T05:38:00snme2pm1Manual testing271272--6.131--
2013-09-04T08:50:00snme2pm1Manual testing272273--12.26--
2013-10-14T07:13:00snme2pm1Manual testing273274--24.53--
2016-04-30T04:18:16monstManual testing274275--49.05--
2019-12-16T08:30:08mikrManual testing275276--98.10--


ECM factoring results:
Exponent "78001709" not found


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-11-07T03:03:22Mario TranquilliniMT-01-QC26606ED4C5C7199160__243.4


PRP results:
Exponent "78001709" not found


P-1 factor-bounds graph:
B1 = 2,100,000, B2 = 48,000,000 (stage 2)
B1 = 2,100,000 (stage 1)
B1 = 735,000, B2 = 14,883,750 (stage 2)
B1 = 735,000 (stage 1)
104
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106
107
104
105
106
107
108
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
264
262
258
253
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2020-02-09T11:40:33+00:00