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
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
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
(i) The GCF of 180 and 181 is associative
GCF of 180 and 181 = GCF of 181 and 180
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