is 2 336561727 - 1
has 101315176 decimal digits
takes 5,006.356 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
Actual2722.841559.7222 %68050006805000146.77535.5691 %149.616861.9653 %
Target2811,455.106964.1975 %2000000400000000510.83734.0622 %1,965.944265.6519 %
Difference-9-1,452.2654-4.4753 %+4805000-393195000-364.0619+1.5069%-1,816.3273-3.6866 %

Known prime factors (1 factor, 74.6 bits, 0.00002216% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
336561727279841575212755586574732374.56741573588551968
25 × 3 × 11 × 149 × 173 × 1527289
2019-02-09173152728911.3681.79833.3521

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-02-09Roland ClarksonXeon61306805000680500012374.567146.82.454%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-04-26Architects Cubedm1_602642650.011
2011-01-17Aaron HavilandManual testing2652660.022
2011-01-18Aaron HavilandManual testing2662670.044
2011-01-19Aaron HavilandManual testing2672680.089
2011-01-23Aaron HavilandManual testing2682690.178
2016-05-26Jacques MOLNEManual testing2692700.355
2016-05-26Jacques MOLNEManual testing2702710.711
2016-05-26Jacques MOLNEManual testing2712721.421


ECM factoring results:
No ECM results for M336561727


Lucas-Lehmer results:
No L-L results for M336561727


PRP results:
No PRP results for M336561727


CERT results:
No CERT results for M336561727


P-1 factor-bounds graph:
B1 = 6805000 (P-1 stage 1)
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TF factor-bounds graph:
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this exponent TF target: 81
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00