Greatest Common Factor of 423 and 431

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

Greatest common factor (GCF) of 423 and 431 is 1.

GCF(423,431) = 1

GCF of 423 and 431

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

GCF of:
and

Greatest Common Factor of 423 and 431

GCF of 423 and 431 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 431


431 431
1

Prime factors of 431 are 431. Prime factorization of 431 in exponential form is:

431 = 4311

∴ So by taking common prime factors GCF of 423 and 431 is 1

Greatest Common Factor of 423 and 431 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 431

List of positive integer factors of 431 that divides 431 without a remainder.

1,431

Greatest Common Factor

We found the factors and prime factorization of 423 and 431. The biggest common factor number is the GCF number.
So the greatest common factor 423 and 431 is 1.

Also check out the Least Common Multiple of 423 and 431

Properties of GCF 423 and 431

(i) The GCF of 423 and 431 is associative

GCF of 423 and 431 = GCF of 431 and 423

Frequently Asked Questions on GCF of 423 and 431

1. What is the GCF of 423 and 431?

Answer: GCF of 423 and 431 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 431?

Answer: Factors of 431 are 1, 431. There are 2 integers that are factors of 431. The greatest factor of 431 is 431.

4. How to Find the GCF of 423 and 431?

Answer:

Greatest Common Factor of 423 and 431 = 1

Step 1: Find the prime factorization of 423

423 = 3 x 3 x 47

Step 2: Find the prime factorization of 431

431 = 431

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 431 is 1