The greatest common factor of the numbers 12 and 42 is 6.
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The GCF of 294 and 630 is 42.
The GCF/HCF of 294 and 1050 is 42.
Factors of 8 = [1, 2, 4, 8] Factors of 42 = [1, 2, 3, 6, 7, 14, 21, 42] Therefore common factor is 2 since we don't include 1. (Question is supposed to be 'highest' common factor)
The greatest common factor of 42 depends upon the other numbers with which 42 has COMMON factors. However, the greatest common factor HAS to be one of the factors of 42 which are: 1, 2, 3, 6, 7, 14, 21, 42.
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 126, 210, and 252 is 42