Greatest Common Factor of 243 and 246

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 243, 246 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 243 and 246 is 3.

GCF(243,246) = 3

GCF of 243 and 246

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

GCF of:
and

Greatest Common Factor of 243 and 246

GCF of 243 and 246 is 3

Prime Factorization of 243


3 243
3 81
3 27
3 9
3 3
1

Prime factors of 243 are 3. Prime factorization of 243 in exponential form is:

243 = 35

Prime Factorization of 246


2 246
3 123
41 41
1

Prime factors of 246 are 2.Prime factorization of 246 in exponential form is:

246 = 21×31×411

∴ So by taking common prime factors GCF of 243 and 246 is 3

Greatest Common Factor of 243 and 246 by matching factors method

Factors of 243

List of positive integer factors of 243 that divides 243 without a remainder.

1,3,9,27,81,243

Factors of 246

List of positive integer factors of 246 that divides 246 without a remainder.

1,2,3,6,41,82,123,246

Greatest Common Factor

We found the factors and prime factorization of 243 and 246. The biggest common factor number is the GCF number.
So the greatest common factor 243 and 246 is 3.

Also check out the Least Common Multiple of 243 and 246

Properties of GCF 243 and 246

(i) The GCF of 243 and 246 is associative

GCF of 243 and 246 = GCF of 246 and 243

Related Greatest Common Factor of 243

Related Greatest Common Factor of 246

Frequently Asked Questions on GCF of 243 and 246

1. What is the GCF of 243 and 246?

Answer: GCF of 243 and 246 is 3.

2. What are the Factors of 243?

Answer: Factors of 243 are 1, 3, 9, 27, 81, 243. There are 6 integers that are factors of 243. The greatest factor of 243 is 243.

3. What are the Factors of 246?

Answer: Factors of 246 are 1, 2, 3, 6, 41, 82, 123, 246. There are 8 integers that are factors of 246. The greatest factor of 246 is 246.

4. How to Find the GCF of 243 and 246?

Answer:

Greatest Common Factor of 243 and 246 = 3

Step 1: Find the prime factorization of 243

243 = 3 x 3 x 3 x 3 x 3

Step 2: Find the prime factorization of 246

246 = 2 x 3 x 41

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

GCF = 3

Step 4: Therefore, the greatest common factor of 243 and 246 is 3