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 424, 432 i.e. 8 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 424 and 432 is 8.
GCF(424,432) = 8
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
Prime Factorization of 432
2 | 432 |
2 | 216 |
2 | 108 |
2 | 54 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 432 are 2,3. Prime factorization of 432 in exponential form is:
432 = 24×33
∴ So by taking common prime factors GCF of 424 and 432 is 8
Factors of 424
List of positive integer factors of 424 that divides 424 without a remainder.
1,2,4,8,53,106,212,424
Factors of 432
List of positive integer factors of 432 that divides 432 without a remainder.
1,2,3,4,6,8,9,12,16,18,24,27,36,48,54,72,108,144,216,432
Greatest Common Factor
We found the factors and prime factorization of 424 and 432. The biggest common factor number is the GCF number.
So the greatest common factor 424 and 432 is 8.
Also check out the Least Common Multiple of 424 and 432
(i) The GCF of 424 and 432 is associative
GCF of 424 and 432 = GCF of 432 and 424
1. What is the GCF of 424 and 432?
Answer: GCF of 424 and 432 is 8.
2. 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.
3. What are the Factors of 432?
Answer: Factors of 432 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432. There are 20 integers that are factors of 432. The greatest factor of 432 is 432.
4. How to Find the GCF of 424 and 432?
Answer:
Greatest Common Factor of 424 and 432 = 8
Step 1: Find the prime factorization of 424
424 = 2 x 2 x 2 x 53
Step 2: Find the prime factorization of 432
432 = 2 x 2 x 2 x 2 x 3 x 3 x 3
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 2 x 2 = 8
Step 4: Therefore, the greatest common factor of 424 and 432 is 8