[tex]Greatest\ common\ factor\ is\ the\ highest\ number\ by\ which\ 48 \ and\ 64 \\can\ be\ divided\\\\
48:2\\ 24:2\\ 12:2\\ 6:2\\ 3:3\\\\ 64:2\\ 32:2\\ 16:2\\ 8:2\\ 4:2\\ 2:2 \\\\GCF=2^4=16\\\\Greatest\ common\ factor\ of\ 48 \ and\ 64 \ is\ equal\ to\ 16.
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