is 2 79505117 - 1
has 23933426 decimal digits
takes 248.095 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-LC6BE5EACCADBEF__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27596.244264.0000%665000126350005.95983.6986%102.204065.3315%1.3315%
PrimeNet2716.013261.9718%340000160000005.39895.2429%11.412163.9656%1.9938%
GPU7227596.244264.0000%500000170000006.32993.7799%102.574165.3607%1.3607%
Difference---+165000-4365000-0.3702-0.0812%-0.3702-0.0292%-0.0292%

Known prime factors:
No known factors for M79505117

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-07T05:27:50arnaudsnd-15-15266500012635000---5.960--3.699%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2009-05-29T06:59:00Architects Cubedm1_15263264--0.025--
2010-11-29T00:40:00Architects Cubedm1_30264265--0.047--
2011-01-30T06:48:00Rylan Bachmanhpfrider265266--0.094--
2011-02-02T15:23:00searchingforprimesSuperP6T7266267--0.188--
2011-02-03T06:13:00ptcrptcr-home267268--0.376--
2011-02-07T19:17:00Fred Cirera268269--0.752--
2011-02-12T20:17:00Fred Cirera269270--1.504--
2013-01-24T20:07:00Bold_SeekerManual testing270271--3.008--
2014-01-31T02:05:00ANONYMOUSManual testing271272--6.015--
2014-01-31T02:07:00SRS TechnologyManual testing271272--6.015--
2016-08-15T23:50:18AirSquirrelsManual testing272273--12.03--
2016-08-16T00:40:19AirSquirrelsManual testing273274--24.06--
2016-08-16T02:31:19AirSquirrelsManual testing274275--48.12--


ECM factoring results:
No ECM results for M79505117


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2017-02-20T20:53:21curtisclov4220-14lC6BE5EACCADBEF__248.1


PRP results:
No PRP results for M79505117


P-1 factor-bounds graph:
B1 = 665000, B2 = 12635000 (P-1 stage 2)
B1 = 665000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2017-02-20T20:53:21+00:00