Greatest Common Factor of 180 and 181

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 180, 181 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 180 and 181 is 1.

GCF(180,181) = 1

GCF of 180 and 181

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

GCF of:
and

Greatest Common Factor of 180 and 181

GCF of 180 and 181 is 1

Prime Factorization of 180


2 180
2 90
3 45
3 15
5 5
1

Prime factors of 180 are 2,3,5. Prime factorization of 180 in exponential form is:

180 = 22×32×51

Prime Factorization of 181


181 181
1

Prime factors of 181 are 181. Prime factorization of 181 in exponential form is:

181 = 1811

∴ So by taking common prime factors GCF of 180 and 181 is 1

Greatest Common Factor of 180 and 181 by matching factors method

Factors of 180

List of positive integer factors of 180 that divides 180 without a remainder.

1,2,3,4,5,6,9,10,12,15,18,20,30,36,45,60,90,180

Factors of 181

List of positive integer factors of 181 that divides 181 without a remainder.

1,181

Greatest Common Factor

We found the factors and prime factorization of 180 and 181. The biggest common factor number is the GCF number.
So the greatest common factor 180 and 181 is 1.

Also check out the Least Common Multiple of 180 and 181

Properties of GCF 180 and 181

(i) The GCF of 180 and 181 is associative

GCF of 180 and 181 = GCF of 181 and 180

Frequently Asked Questions on GCF of 180 and 181

1. What is the GCF of 180 and 181?

Answer: GCF of 180 and 181 is 1.

2. What are the Factors of 180?

Answer: Factors of 180 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180. There are 18 integers that are factors of 180. The greatest factor of 180 is 180.

3. What are the Factors of 181?

Answer: Factors of 181 are 1, 181. There are 2 integers that are factors of 181. The greatest factor of 181 is 181.

4. How to Find the GCF of 180 and 181?

Answer:

Greatest Common Factor of 180 and 181 = 1

Step 1: Find the prime factorization of 180

180 = 2 x 2 x 3 x 3 x 5

Step 2: Find the prime factorization of 181

181 = 181

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 180 and 181 is 1