Greatest Common Factor of 178 and 186

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 178, 186 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 178 and 186 is 2.

GCF(178,186) = 2

GCF of 178 and 186

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

GCF of:
and

Greatest Common Factor of 178 and 186

GCF of 178 and 186 is 2

Prime Factorization of 178


2 178
89 89
1

Prime factors of 178 are 2,89. Prime factorization of 178 in exponential form is:

178 = 21×891

Prime Factorization of 186


2 186
3 93
31 31
1

Prime factors of 186 are 2,3,31. Prime factorization of 186 in exponential form is:

186 = 21×31×311

∴ So by taking common prime factors GCF of 178 and 186 is 2

Greatest Common Factor of 178 and 186 by matching factors method

Factors of 178

List of positive integer factors of 178 that divides 178 without a remainder.

1,2,89,178

Factors of 186

List of positive integer factors of 186 that divides 186 without a remainder.

1,2,3,6,31,62,93,186

Greatest Common Factor

We found the factors and prime factorization of 178 and 186. The biggest common factor number is the GCF number.
So the greatest common factor 178 and 186 is 2.

Also check out the Least Common Multiple of 178 and 186

Properties of GCF 178 and 186

(i) The GCF of 178 and 186 is associative

GCF of 178 and 186 = GCF of 186 and 178

Frequently Asked Questions on GCF of 178 and 186

1. What is the GCF of 178 and 186?

Answer: GCF of 178 and 186 is 2.

2. What are the Factors of 178?

Answer: Factors of 178 are 1, 2, 89, 178. There are 4 integers that are factors of 178. The greatest factor of 178 is 178.

3. What are the Factors of 186?

Answer: Factors of 186 are 1, 2, 3, 6, 31, 62, 93, 186. There are 8 integers that are factors of 186. The greatest factor of 186 is 186.

4. How to Find the GCF of 178 and 186?

Answer:

Greatest Common Factor of 178 and 186 = 2

Step 1: Find the prime factorization of 178

178 = 2 x 89

Step 2: Find the prime factorization of 186

186 = 2 x 3 x 31

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

GCF = 2

Step 4: Therefore, the greatest common factor of 178 and 186 is 2