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 432, 440 i.e. 8 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 432 and 440 is 8.
GCF(432,440) = 8
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
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
Prime Factorization of 440
2 | 440 |
2 | 220 |
2 | 110 |
5 | 55 |
11 | 11 |
1 |
Prime factors of 440 are 2,5,11. Prime factorization of 440 in exponential form is:
440 = 23×51×111
∴ So by taking common prime factors GCF of 432 and 440 is 8
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
Factors of 440
List of positive integer factors of 440 that divides 440 without a remainder.
1,2,4,5,8,10,11,20,22,40,44,55,88,110,220,440
Greatest Common Factor
We found the factors and prime factorization of 432 and 440. The biggest common factor number is the GCF number.
So the greatest common factor 432 and 440 is 8.
Also check out the Least Common Multiple of 432 and 440
(i) The GCF of 432 and 440 is associative
GCF of 432 and 440 = GCF of 440 and 432
1. What is the GCF of 432 and 440?
Answer: GCF of 432 and 440 is 8.
2. 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.
3. What are the Factors of 440?
Answer: Factors of 440 are 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440. There are 16 integers that are factors of 440. The greatest factor of 440 is 440.
4. How to Find the GCF of 432 and 440?
Answer:
Greatest Common Factor of 432 and 440 = 8
Step 1: Find the prime factorization of 432
432 = 2 x 2 x 2 x 2 x 3 x 3 x 3
Step 2: Find the prime factorization of 440
440 = 2 x 2 x 2 x 5 x 11
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 432 and 440 is 8