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What is the greatest common factor of 54,30,78?  pleaseeeeee help lol 

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Luanaid
[tex]Greatest\ common\ factor\ is\ the\ highest\ number\ by\ witch\ 54\ and\ 30\\and\ 78\ can\ be\ divided\\\\ 54:2\\ 27:3\\9:3\\3:3\\\\ 30:2\\ 15:3\\ 5:5\\\\78:2\\39:3\\13:13 \\\\GCF=2*3=6\\\\Greatest\ common\ factor\ of\ 54\ and\ 30\ and\ 78\ is\ equal\ to\ 6. [/tex]

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