is 2 65868739 - 1
has 19828467 decimal digits
takes 166.502 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27458.083264.8649%----58.083264.8649%2.0077%
PrimeNet2703.627762.8571%280000130000003.56645.3077%7.194164.8286%1.9714%
GPU7227458.083264.8649%450000150000004.55493.9200%62.638166.2422%1.3773%
Difference----450000-15000000-4.5549-3.9200%-4.5549-1.3773%-1.3773%

Known prime factors (1 factor, 82.1 bits, 0.00012459% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6586873950632815317223750279786732582.06638434632335396424
23 × 32 × 19 × 127 × 139 × 673 × 2364847
2013-07-13673236484715,5270.47460.8820

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-07-13T10:25:00Youcef Lbreitner2582.066-333.0-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-11-28T00:00:00ANONYMOUSv4_computers?259--0.001--
2004-08-20T00:00:001997rj7v4_computers?260--0.001--
2009-01-23T09:56:00Wojciech FlorekManual testing263264--0.030--
2009-03-25T13:46:00JMGarciajmgarcia-linux264265--0.057--
2009-03-27T13:03:00Robert Seemannab02265266--0.113--
2009-04-03T01:08:00linded23A3436266267--0.227--
2009-10-23T18:43:00cvgronevongrone-h2-pc1267268--0.454--
2009-10-29T16:40:00sirlprsirl24268269--0.908--
2012-04-23T18:36:00ANONYMOUS269270--1.815--
2012-06-25T02:50:00subgeniusHDO-c1270271--3.630--
2013-06-24T23:13:00kdgehmanManual testing271272--7.261--
2013-06-24T23:13:00kdgehmanManual testing272273--14.52--
2013-06-24T23:13:00kdgehmanManual testing273274--29.04--


ECM factoring results:
Exponent "65868739" not found


Lucas-Lehmer results:
Exponent "65868739" not found


PRP results:
Exponent "65868739" not found


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
274
273
272
271
270
269
268
267
266
265
264
260
259
250
260
270
280
290
2100
Last modified: 2013-07-13T10:25:49+00:00