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 51 and 175 is 1
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Factors of 51: 1, 3, 17, 51.
Factors of 153: 1, 3, 9, 17, 51, 153.
GCF (51, 153) = 51
The greatest common factor is 51
The common factors are: 1, 3, 17, 51
What is the greatest common factor shared by 51 and 21?
Greatest common factor for 102 and 357 is 51.
Greatest common factor of 12 51 and 92 is 1.