Greatest Common Factor of 117 and 118

Created By : Jatin Gogia

Reviewed By : Rajasekhar Valipishetty

Last Updated : Apr 06, 2023


Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 117, 118 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 117 and 118 is 1.

GCF(117,118) = 1

GCF of 117 and 118

Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;

GCF of:
and

Greatest Common Factor of 117 and 118

GCF of 117 and 118 is 1

Prime Factorization of 117


3 117
3 39
13 13
1

Prime factors of 117 are 3,13. Prime factorization of 117 in exponential form is:

117 = 32×131

Prime Factorization of 118


2 118
59 59
1

Prime factors of 118 are 2,59. Prime factorization of 118 in exponential form is:

118 = 21×591

∴ So by taking common prime factors GCF of 117 and 118 is 1

Greatest Common Factor of 117 and 118 by matching factors method

Factors of 117

List of positive integer factors of 117 that divides 117 without a remainder.

1,3,9,13,39,117

Factors of 118

List of positive integer factors of 118 that divides 118 without a remainder.

1,2,59,118

Greatest Common Factor

We found the factors and prime factorization of 117 and 118. The biggest common factor number is the GCF number.
So the greatest common factor 117 and 118 is 1.

Also check out the Least Common Multiple of 117 and 118

Properties of GCF 117 and 118

(i) The GCF of 117 and 118 is associative

GCF of 117 and 118 = GCF of 118 and 117

Frequently Asked Questions on GCF of 117 and 118

1. What is the GCF of 117 and 118?

Answer: GCF of 117 and 118 is 1.

2. What are the Factors of 117?

Answer: Factors of 117 are 1, 3, 9, 13, 39, 117. There are 6 integers that are factors of 117. The greatest factor of 117 is 117.

3. What are the Factors of 118?

Answer: Factors of 118 are 1, 2, 59, 118. There are 4 integers that are factors of 118. The greatest factor of 118 is 118.

4. How to Find the GCF of 117 and 118?

Answer:

Greatest Common Factor of 117 and 118 = 1

Step 1: Find the prime factorization of 117

117 = 3 x 3 x 13

Step 2: Find the prime factorization of 118

118 = 2 x 59

Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:

GCF = = 1

Step 4: Therefore, the greatest common factor of 117 and 118 is 1