Greatest Common Factor of 393 and 396

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 393, 396 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 393 and 396 is 3.

GCF(393,396) = 3

GCF of 393 and 396

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

GCF of:
and

Greatest Common Factor of 393 and 396

GCF of 393 and 396 is 3

Prime Factorization of 393


3 393
131 131
1

Prime factors of 393 are 3,131. Prime factorization of 393 in exponential form is:

393 = 31×1311

Prime Factorization of 396


2 396
2 198
3 99
3 33
11 11
1

Prime factors of 396 are 2,3,11. Prime factorization of 396 in exponential form is:

396 = 22×32×111

∴ So by taking common prime factors GCF of 393 and 396 is 3

Greatest Common Factor of 393 and 396 by matching factors method

Factors of 393

List of positive integer factors of 393 that divides 393 without a remainder.

1,3,131,393

Factors of 396

List of positive integer factors of 396 that divides 396 without a remainder.

1,2,3,4,6,9,11,12,18,22,33,36,44,66,99,132,198,396

Greatest Common Factor

We found the factors and prime factorization of 393 and 396. The biggest common factor number is the GCF number.
So the greatest common factor 393 and 396 is 3.

Also check out the Least Common Multiple of 393 and 396

Properties of GCF 393 and 396

(i) The GCF of 393 and 396 is associative

GCF of 393 and 396 = GCF of 396 and 393

Related Greatest Common Factor of 393

Related Greatest Common Factor of 396

Frequently Asked Questions on GCF of 393 and 396

1. What is the GCF of 393 and 396?

Answer: GCF of 393 and 396 is 3.

2. What are the Factors of 393?

Answer: Factors of 393 are 1, 3, 131, 393. There are 4 integers that are factors of 393. The greatest factor of 393 is 393.

3. What are the Factors of 396?

Answer: Factors of 396 are 1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396. There are 18 integers that are factors of 396. The greatest factor of 396 is 396.

4. How to Find the GCF of 393 and 396?

Answer:

Greatest Common Factor of 393 and 396 = 3

Step 1: Find the prime factorization of 393

393 = 3 x 131

Step 2: Find the prime factorization of 396

396 = 2 x 2 x 3 x 3 x 11

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 393 and 396 is 3