is 26455623-1
has 1,943,337 decimal digits
takes 1.210 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LD69D7084DF1897C3double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2651.130164.6154%395,0009,973,7500.24926.4480%1.379371.0634%8.1601%
PrimeNet2620.095262.9032%28,000650,0000.01683.4855%0.112066.3887%3.4855%
GPU722662.287765.1515%45,0001,000,0000.02642.5762%2.314167.7278%2.5762%
Difference-1-1.1576-0.5361%+350,000+8,973,750+0.2228+3.8717%-0.9347+3.3356%+3.3356%

Known prime factors (1 factor, 122.0 bits, 0.00189050% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
6455623547864602442844085172392520461869155137122.043424331317397905736729354022425
52 × 7 × 11 × 103 × 227 × 757 × 2017 × 20963 × 78571 × 3748813
78,5713,748,8132014-09-172.403e+100.07570.1037

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2001-02-18T00:00:00DrRocketv4_computers30,000412,500---0.014--2.136%
2014-09-17T14:59:00Nesowanewfs395,0009,973,7501237122.0430.2492.4200.4986.448%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-08-02T00:00:00ANONYMOUSv4_computers?262--0.048--
2014-08-02T07:16:00NesowaManual testing263264--0.304--
2014-08-06T18:58:00lycornManual testing264265--0.579--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,00030.855


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-02-21T00:00:00Michael Bahlenv4_computersED3A45EA9E9028__1.210
1999-05-16T00:00:00Michael Bahlenv4_computersED3A45EA9E9028__1.210
2000-01-04T00:00:00ANONYMOUSv4_computersD69D7084DF1897C31.210
2000-11-15T00:00:00Michael Bahlenv4_computersED3A45EA9E9028__1.210
2001-04-15T00:00:00DrRocketv4_computersD69D7084DF1897C31.210
2001-05-13T00:00:00Michael Bahlenv4_computersED3A45EA9E9028__1.210
2001-09-30T00:00:00Michael Bahlenv4_computersED3A45EA9E9028__1.210


PRP results:
dateuseridcompidcofactorsres64PRP
2017-12-17T18:31:38Chun sung soojeong-woon_Jo
5478646024428440851723925204618691551
25E93000BE0C14__no
2018-07-23T04:52:55kkmrkkblmbrbkc5.large
5478646024428440851723925204618691551
25E93000BE0C14__no


P-1 factor-bounds graph:
B1 = 395,000, B2 = 9,973,750 (stage 2)
B1 = 395,000 (stage 1)
B1 = 30,000, B2 = 412,500 (stage 2)
B1 = 30,000 (stage 1)
103
104
105
106
103
104
105
106
107
TF factor-bounds graph:
265
264
262
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2018-07-23T04:52:55+00:00