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Answer: 2
Definition: 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 16 are 1, 2, 4, 8, and 16.
The factors of 90 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90.
The common factors are 1 and 2. Therefore, the greatest common factor is 2.
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What is the greatest common factor of 90 and 130?
The greatest common factor of 90 and 130 is 10.
What is the greatest common factor of 18 and 90?
Since 18 is a factor of 90 and it is the largest factor of itself, the greatest common factor of 18 and 90 is 18.Since 18 is a factor of 90, it is automatically the GCF.
What is the greatest common factor of 15 45 and 90?
The greatest common factor of 15,45, and 90 is 15.
What is the greatest common factor of 90 30 45?
The greatest common factor of 90 , 30 , 45 = 15
What is the greatest common factor of 5 and 90?
The Greatest Common Factor (GCF) of 5 and 90 is 5
