What is the greatest common factor of 63 and 100?

Answer 1

Answer: 1

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 63 are 1, 3, 7, 9, 21, and 63.

The factors of 100 are 1, 2, 4, 5, 10, 20, 25, 50, and 100.

The only common factor is 1. Therefore, the greatest common factor is 1, which means the numbers are relatively prime.

Answer 2

The GCF is 1.