Greatest Common Factor of 423 and 424

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, 424 i.e. 1 largest integer by which both the numbers can be divided.

Greatest common factor (GCF) of 423 and 424 is 1.

GCF(423,424) = 1

GCF of 423 and 424

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

GCF of:
and

Greatest Common Factor of 423 and 424

GCF of 423 and 424 is 1

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 424


2 424
2 212
2 106
53 53
1

Prime factors of 424 are 2,53. Prime factorization of 424 in exponential form is:

424 = 23×531

∴ So by taking common prime factors GCF of 423 and 424 is 1

Greatest Common Factor of 423 and 424 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 424

List of positive integer factors of 424 that divides 424 without a remainder.

1,2,4,8,53,106,212,424

Greatest Common Factor

We found the factors and prime factorization of 423 and 424. The biggest common factor number is the GCF number.
So the greatest common factor 423 and 424 is 1.

Also check out the Least Common Multiple of 423 and 424

Properties of GCF 423 and 424

(i) The GCF of 423 and 424 is associative

GCF of 423 and 424 = GCF of 424 and 423

Related Greatest Common Factor of 423

Related Greatest Common Factor of 424

Frequently Asked Questions on GCF of 423 and 424

1. What is the GCF of 423 and 424?

Answer: GCF of 423 and 424 is 1.

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 424?

Answer: Factors of 424 are 1, 2, 4, 8, 53, 106, 212, 424. There are 8 integers that are factors of 424. The greatest factor of 424 is 424.

4. How to Find the GCF of 423 and 424?

Answer:

Greatest Common Factor of 423 and 424 = 1

Step 1: Find the prime factorization of 423

423 = 3 x 3 x 47

Step 2: Find the prime factorization of 424

424 = 2 x 2 x 2 x 53

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 423 and 424 is 1