The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.
The greatest common factor of 133 and 217 is 7.
7
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The highest common multiple is an infinite amount and not very practical for problem solving.
1, 3, 9, 23, 69, 207. (1 x 207, 3 x 69, 9 x 23)
The greatest common factor of 21 and 70 is 71000000The GCF is 7.The GCF is: 1The GCF is 7.
Common factors of 77 and 217 are: 1 and 7.
247,119,13
The GCF is 7.