is 2 79051543 - 1
has 23796886 decimal digits
takes 246.679 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27596.796464.0000%6650006650003.00891.5621%99.805464.5624%0.5624%
PrimeNet2716.047761.9718%340000160000005.39895.2392%11.446663.9642%1.9924%
GPU7227596.796464.0000%500000170000006.32993.7772%103.126465.3598%1.3598%
Difference---+165000-16335000-3.3210-2.2151%-3.3210-0.7974%-0.7974%

Known prime factors (1 factor, 78.0 bits, 0.00009865% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
790515432992983285401238201493212477.9861893058106026620
22 × 3 × 5 × 13 × 79 × 101 × 2803 × 108517
2016-08-082803108517502.850.03870.0500

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-08-09T02:08:24Jwb52zClay6650006650002477.9863.009493.46.0181.562%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-23T00:00:00ANONYMOUSv4_computers21253--1.51790e-5--
2000-02-01T00:00:00ANONYMOUSv4_computers21254--3.03580e-5--
2001-06-17T00:00:00Jocelyn Larouchev4_computers21257--0.000--
2004-03-16T00:00:00ANONYMOUSv4_computers21263--0.020--
2008-06-18T16:09:00ANONYMOUSManual testing21266--0.187--
2010-11-13T03:19:00ICEbergdevil266267--0.189--
2010-11-15T20:30:00CJPageMatt_Notebook267268--0.378--
2010-12-05T19:11:00ANONYMOUS268269--0.756--
2012-03-31T16:23:00america64Manual testing269270--1.512--
2013-02-01T01:19:00tmorrowpaperclip270271--3.025--
2016-02-15T13:44:28RichD0Manual testing271272--6.050--
2016-07-04T02:14:21RichD0Manual testing272273--12.10--
2016-07-08T12:50:34AirSquirrelsManual testing273274--24.20--
2016-07-08T14:40:34AirSquirrelsManual testing274275--48.40--


ECM factoring results:
No ECM results for M79051543


Lucas-Lehmer results:
No L-L results for M79051543


PRP results:
No PRP results for M79051543


P-1 factor-bounds graph:
B1 = 665000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
275
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271
270
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2100
Last modified: 2016-08-09T02:08:24+00:00