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The common factors of 12 and 21 are 1 and 3.
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 12 are 1, 2, 3, 4, 6, and 12.
The factors of 21 are 1, 3, 7, and 21.
The common factors are 1 and 3.
This means that the greatest common factor is 3.
The numbers are 1 and 3
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What are the factors and greatest common factor of 12 and 21?
The factors of 12 are:1, 2, 3, 4, 6, 12The factors of 21 are:1, 3, 7, 21The Greatest Common Factor:GCF = 3
What are the common factors of 21 and 51?
The common factors of 21 and 51 are: 1 and 3
What is the greatest common factor of 12 21 and 105?
Answer: 3Definition: A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that the numbers have in common.Method: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 12 are 1, 2, 3, 4, 6, and 12.The factors of 21 are 1, 3, 7, and 21.The factors of 105 are 1, 3, 5, 7, 15, 21, 35, and 105.The common factors are 1 and 3. Therefore, the greatest common factor is 3.
What are the common factors of 21 and 70?
The factors of 21 are 1,3,7, and 21. The factors of 70 are 1,2,5,7,14,35, and 70 The common factors of 21 and 70 are 1 and 7.
What are the common factors of 30 21?
The common factors of 30 and 21 are 1 and 3.
