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A factor is a divisor - a number that will evenly divide into another number.
One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.
The factors of 6 are 1, 2, 3, and 6.
The factors of 20 are 1, 2, 4, 5, 10, and 20.
The common factors are 1 and 2.
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CoachMake two lists(one for factors of 6, and the other for factors of 20). In other words, find all the possible pairs of two numbers that can multiply together to make 6 and 20.
1 x 6 = 6
2 x 3 = 6
1 x 20 = 20
2 x 10 = 20
4 x 5 = 20
Secondly, you would look at your list of factors and determine which number(s) appear in both list. As you can see, 1 and 2 appears as a factor for both 6 and 20. Therefore, the common factors for 6 and 20 are 1 and 2.
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The common factors for 12 and 20?
Factors of 12 are 1, 2, 3, 4, 6, and 12 Factors of 20 are 1, 2, 4, 5, 10, and 20 Common factors would be 1, 2, and 4.
What are the common factors of 24 and 420?
The common factors of 24 and 420 are: 1, 2, 3, 4, 6, and 12
What are all the factors of 30 which are also the factors of 20?
To find the common factors of 30 and 20, we first list the factors of each number. The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The factors of 20 are 1, 2, 4, 5, 10, and 20. The factors that are common to both numbers are 1, 2, 5, and 10.
What are the common factors of 18 and 20?
The common factors of 18 and 20 are 1 and 2.
What are the common factors of 20 and 60?
The common factors of 20 and 60 are: 1, 2, 4, 5, 10, and 20 The common factors of 20 and 60 are: 1, 2, 4, 5, 10, and 20.
