Greatest Common Factor of 198 and 200

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 198, 200 i.e. 2 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 198 and 200 is 2.

GCF(198,200) = 2

GCF of 198 and 200

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

GCF of:
and

Greatest Common Factor of 198 and 200

GCF of 198 and 200 is 2

Prime Factorization of 198


2 198
3 99
3 33
11 11
1

Prime factors of 198 are 2,3,11. Prime factorization of 198 in exponential form is:

198 = 21×32×111

Prime Factorization of 200


2 200
2 100
2 50
5 25
5 5
1

Prime factors of 200 are 2,5. Prime factorization of 200 in exponential form is:

200 = 23×52

∴ So by taking common prime factors GCF of 198 and 200 is 2

Greatest Common Factor of 198 and 200 by matching factors method

Factors of 198

List of positive integer factors of 198 that divides 198 without a remainder.

1,2,3,6,9,11,18,22,33,66,99,198

Factors of 200

List of positive integer factors of 200 that divides 200 without a remainder.

1,2,4,5,8,10,20,25,40,50,100,200

Greatest Common Factor

We found the factors and prime factorization of 198 and 200. The biggest common factor number is the GCF number.
So the greatest common factor 198 and 200 is 2.

Also check out the Least Common Multiple of 198 and 200

Properties of GCF 198 and 200

(i) The GCF of 198 and 200 is associative

GCF of 198 and 200 = GCF of 200 and 198

Related Greatest Common Factor of 198

Related Greatest Common Factor of 200

Frequently Asked Questions on GCF of 198 and 200

1. What is the GCF of 198 and 200?

Answer: GCF of 198 and 200 is 2.

2. What are the Factors of 198?

Answer: Factors of 198 are 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198. There are 12 integers that are factors of 198. The greatest factor of 198 is 198.

3. What are the Factors of 200?

Answer: Factors of 200 are 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200. There are 12 integers that are factors of 200. The greatest factor of 200 is 200.

4. How to Find the GCF of 198 and 200?

Answer:

Greatest Common Factor of 198 and 200 = 2

Step 1: Find the prime factorization of 198

198 = 2 x 3 x 3 x 11

Step 2: Find the prime factorization of 200

200 = 2 x 2 x 2 x 5 x 5

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 198 and 200 is 2