What is the greatest common factor of 52 and 21?

Answer 1

The greatest common factor of 52 and 117 is 13.

The common factors of 52 and 117 are 1 and 13.

Definition: A factor is a divisor - a number that will evenly divide into another number. The common factors of two or more numbers are all the factors that the numbers have in common. The greatest common factor of two or more numbers is the largest factor that the numbers have in common.

Methods:

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 52 are 1, 2, 4, 13, 26, and 52.

The factors of 117 are 1, 3, 9, 13, 39, and 117.

The common factors are 1 and 13. Therefore, the greatest common factor is 13.

The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.

The prime factors of 52 are 2, 2, and 13.

The prime factors of 117 are 3, 3, and 13.

The prime factors in common are only 13, so the greatest common factor is 13.

Answer 2

The greatest common factor of 26 and 117 is 13
The GCF for 26 117 is 13

Answer 3

You need at least two numbers to find a GCF.

Answer 4

The greatest common multiple of any set of integers is infinite.

Answer 5

The greatest common factor of 52 and 77 is 1.

Answer 6

The factors of 52 are:

1, 2, 4, 13, 26, 52

The factors of 117 are:

1, 3, 9, 13, 39, 117

The Greatest Common Factor:

GCF = 13

Answer 7

The word "GREATEST" is a superlative adjective and that means there can be only one.GCF(52, 21) = 1.

Answer 8

The GCF is 1.

Answer 9

The GCF is 13.

Answer 10

GCF(52, 117) = 13