is 2 79429261 - 1
has 23910591 decimal digits
takes 247.858 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L50BE26012FEAEE__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27596.336164.0000%670000135675006.21103.7557%102.547265.3521%1.3521%
PrimeNet2716.018961.9718%340000160000005.39895.2422%11.417863.9654%1.9935%
GPU7227596.336164.0000%500000170000006.32993.7794%102.666065.3606%1.3606%
Difference---+170000-3432500-0.1189-0.0237%-0.1189-0.0085%-0.0085%

Known prime factors:
No known factors for M79429261

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-09-24T13:19:46NesowaIceblock6700001356750012---6.211--3.756%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2009-05-29T17:35:00Architects Cubeda3_bu263264--0.025--
2011-02-03T22:11:00ANONYMOUS264265--0.047--
2011-02-04T12:31:00ANONYMOUS265266--0.094--
2011-02-04T23:49:00Gnorfe_k_kontor266267--0.188--
2011-02-09T06:26:00David Barleyken2267268--0.376--
2011-02-12T15:44:00MclighterMclighter268269--0.753--
2011-02-20T21:56:00Carsten Kossendeyleela269270--1.505--
2014-03-03T08:16:00Smok_bmvManual testing270271--3.011--
2016-02-22T11:45:06DerekManual testing271272--6.021--
2016-08-08T21:31:22CacheOutManual testing272273--12.04--
2016-08-10T21:38:06BdotManual testing273274--24.08--
2016-08-11T21:38:06BdotManual testing274275--48.17--


ECM factoring results:
No ECM results for M79429261


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2018-02-28T20:39:03curtiscwcm128--30l50BE26012FEAEE__247.9


PRP results:
No PRP results for M79429261


P-1 factor-bounds graph:
B1 = 670000, B2 = 13567500 (P-1 stage 2)
B1 = 670000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
264
250
260
270
280
290
2100
Last modified: 2018-02-28T20:39:03+00:00