The product of all the common prime factors is the GCF. The product of all common factors would vary according to the list.
When you are finding common factors, one method is to list the factors.
The common factors are: 1, 2, 4.
The common factors are: 1, 2, 5, 10.
The common factors of 28 and 54 are: 1, 2
The common factors are: 1, 2, 4, 8, 16.
20: 1,2,4,5,10,2050: 1,2,5,10,25,50Common Factors: 1,2,5,10
3 and 5
1,2, and 4
-- List all factors of the first number. -- List all factors of the second number. -- If there are more than two numbers, list all factors of each one. -- Find the set of factors that are on every list. -- Find the greatest factor in the set.
The one that contains all the factors of 18.
Common factors of 55 and 75 are: 1 and 5.