How do you calculate the greatest common factor (GCF) of two numbers?
Answer 1
Ricky Gaines
To calculate the greatest common factor (GCF) of two numbers, list their factors, find the common factors, and select the largest one. Alternatively, use the Euclidean algorithm: divide the larger number by the smaller one, then replace the larger number with the remainder. Repeat until the remainder is zero; the last non-zero remainder is the GCF.
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