
Concept explainers
The greatest common factor (GCF) of

Answer to Problem 24CCR
Explanation of Solution
Given:
The pair of numbers,
Concept Used:
The greatest common factor, or GCF, of a list of numbers is the greatest factor that divides those numbers.
Calculation:
In order to find the GCF of a list of numbers, firstlist the prime factors of each number. And then identify the common factors from each number. The product of common factors will give the greatest common factor of the numbers. If there are no common prime factors, then the GCF is 1.
Here to find the greatest common factor of
Here, observe that the numbers have only 5 as common factor in both. So, the greatest common factor (GCF) of the pair of numbers is5.
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