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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 both numbers have in common.
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 10 are 1, 2, 5, and 10.
The factors of 16 are 1, 2, 4, 8, and 16.
The common factors are 1 and 2. Therefore, the greatest common factor is 2.
I believe the answer is two....
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What is the greatest common factor of 16 and 38?
The greatest common factor for 16 and 38 is 2.
What is the greatest common factor of 16 and 34?
The greatest common factor of 16 and 34 is 2.
Greatest common factor of 16 and 28?
The greatest common factor of 16 and 28 is 4
What is the greatest common factor for 15 and 16?
The greatest common factor for 15 and 16 is 1.
What is the greatest common factor of 16 and 21?
The greatest factor of 21 and 16 is 21, which is a factor of 21 but not of 16.
