Greatest Common Factor of 423 and 426

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 423, 426 i.e. 3 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 423 and 426 is 3.

GCF(423,426) = 3

GCF of 423 and 426

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

GCF of:
and

Greatest Common Factor of 423 and 426

GCF of 423 and 426 is 3

Prime Factorization of 423


3 423
3 141
47 47
1

Prime factors of 423 are 3,47. Prime factorization of 423 in exponential form is:

423 = 32×471

Prime Factorization of 426


2 426
3 213
71 71
1

Prime factors of 426 are 2,3,71. Prime factorization of 426 in exponential form is:

426 = 21×31×711

∴ So by taking common prime factors GCF of 423 and 426 is 3

Greatest Common Factor of 423 and 426 by matching factors method

Factors of 423

List of positive integer factors of 423 that divides 423 without a remainder.

1,3,9,47,141,423

Factors of 426

List of positive integer factors of 426 that divides 426 without a remainder.

1,2,3,6,71,142,213,426

Greatest Common Factor

We found the factors and prime factorization of 423 and 426. The biggest common factor number is the GCF number.
So the greatest common factor 423 and 426 is 3.

Also check out the Least Common Multiple of 423 and 426

Properties of GCF 423 and 426

(i) The GCF of 423 and 426 is associative

GCF of 423 and 426 = GCF of 426 and 423

Related Greatest Common Factor of 423

Related Greatest Common Factor of 426

Frequently Asked Questions on GCF of 423 and 426

1. What is the GCF of 423 and 426?

Answer: GCF of 423 and 426 is 3.

2. What are the Factors of 423?

Answer: Factors of 423 are 1, 3, 9, 47, 141, 423. There are 6 integers that are factors of 423. The greatest factor of 423 is 423.

3. What are the Factors of 426?

Answer: Factors of 426 are 1, 2, 3, 6, 71, 142, 213, 426. There are 8 integers that are factors of 426. The greatest factor of 426 is 426.

4. How to Find the GCF of 423 and 426?

Answer:

Greatest Common Factor of 423 and 426 = 3

Step 1: Find the prime factorization of 423

423 = 3 x 3 x 47

Step 2: Find the prime factorization of 426

426 = 2 x 3 x 71

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 423 and 426 is 3