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 450, 456 i.e. 6 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 450 and 456 is 6.
GCF(450,456) = 6
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 450
2 | 450 |
3 | 225 |
3 | 75 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 450 are 2,3,5. Prime factorization of 450 in exponential form is:
450 = 21×32×52
Prime Factorization of 456
2 | 456 |
2 | 228 |
2 | 114 |
3 | 57 |
19 | 19 |
1 |
Prime factors of 456 are 2,3,19. Prime factorization of 456 in exponential form is:
456 = 23×31×191
∴ So by taking common prime factors GCF of 450 and 456 is 6
Factors of 450
List of positive integer factors of 450 that divides 450 without a remainder.
1,2,3,5,6,9,10,15,18,25,30,45,50,75,90,150,225,450
Factors of 456
List of positive integer factors of 456 that divides 456 without a remainder.
1,2,3,4,6,8,12,19,24,38,57,76,114,152,228,456
Greatest Common Factor
We found the factors and prime factorization of 450 and 456. The biggest common factor number is the GCF number.
So the greatest common factor 450 and 456 is 6.
Also check out the Least Common Multiple of 450 and 456
(i) The GCF of 450 and 456 is associative
GCF of 450 and 456 = GCF of 456 and 450
1. What is the GCF of 450 and 456?
Answer: GCF of 450 and 456 is 6.
2. What are the Factors of 450?
Answer: Factors of 450 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 450. There are 18 integers that are factors of 450. The greatest factor of 450 is 450.
3. What are the Factors of 456?
Answer: Factors of 456 are 1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456. There are 16 integers that are factors of 456. The greatest factor of 456 is 456.
4. How to Find the GCF of 450 and 456?
Answer:
Greatest Common Factor of 450 and 456 = 6
Step 1: Find the prime factorization of 450
450 = 2 x 3 x 3 x 5 x 5
Step 2: Find the prime factorization of 456
456 = 2 x 2 x 2 x 3 x 19
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2 x 3 = 6
Step 4: Therefore, the greatest common factor of 450 and 456 is 6