is 2 79819669 - 1
has 24028115 decimal digits
takes 249.076 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27595.864964.0000 %665000129675006.04173.7202 %101.906765.3393 %
Target27595.864964.0000 %5000008500000023.09323.7817 %118.958165.3614 %
Difference---+165000-72032500-17.0514-0.0615 %-17.0514-0.0222 %

Known prime factors (1 factor, 78.0 bits, 0.00009771% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
798196692998855395423017412832572477.9891878519062402412
22 × 3 × 457 × 29641 × 11556473
2016-11-162964111556473713.152.97575.3209

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-11-16ATHec2-8x66500012967500622477.9896.0423.720%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2009-05-25Architects Cubedm1_182632640.025
2010-11-30Architects Cubedm1_712642650.047
2010-12-08RMAC9.5Fry_s_Special2652660.094
2010-12-11eon_blue_apocalypsecon-cloud0-cn02662670.187
2011-02-07trifbrownie2672680.374
2011-04-27trifbrownie2682690.749
2012-04-09Matt EsserManual testing2692701.498
2013-01-20zulianx3550_22702712.996
2016-03-03GregManual testing2712725.992
2016-08-23ANONYMOUSManual testing27227583.88


ECM factoring results:
No ECM results for M79819669


Lucas-Lehmer results:
No L-L results for M79819669


PRP results:
No PRP results for M79819669


CERT results:
No CERT results for M79819669


P-1 factor-bounds graph:
B1 = 665000, B2 = 12967500 (P-1 stage 2)
B1 = 665000 (P-1 stage 1)
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108
TF factor-bounds graph:
275
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269
268
267
266
265
264
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00