The first step to find the gcf of 42 and 140 is to list the factors of each number. The factors of 42 are 1, 2, 3, 6, 7, 14, 21 and 42. The factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70 and 140. So, the Greatest Common Factor for these numbers is 14 because it divides all them without a remainder.
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Answer:
What is the GCF of 42 and 140?
The first step to find the gcf of 42 and 140 is to list the factors of each number. The factors of 42 are 1, 2, 3, 6, 7, 14, 21 and 42. The factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70 and 140. So, the Greatest Common Factor for these numbers is 14 because it divides all them without a remainder.