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 448, 456 i.e. 8 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 448 and 456 is 8.
GCF(448,456) = 8
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 448
2 | 448 |
2 | 224 |
2 | 112 |
2 | 56 |
2 | 28 |
2 | 14 |
7 | 7 |
1 |
Prime factors of 448 are 2,7. Prime factorization of 448 in exponential form is:
448 = 26×71
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 448 and 456 is 8
Factors of 448
List of positive integer factors of 448 that divides 448 without a remainder.
1,2,4,7,8,14,16,28,32,56,64,112,224,448
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 448 and 456. The biggest common factor number is the GCF number.
So the greatest common factor 448 and 456 is 8.
Also check out the Least Common Multiple of 448 and 456
(i) The GCF of 448 and 456 is associative
GCF of 448 and 456 = GCF of 456 and 448
1. What is the GCF of 448 and 456?
Answer: GCF of 448 and 456 is 8.
2. What are the Factors of 448?
Answer: Factors of 448 are 1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448. There are 14 integers that are factors of 448. The greatest factor of 448 is 448.
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 448 and 456?
Answer:
Greatest Common Factor of 448 and 456 = 8
Step 1: Find the prime factorization of 448
448 = 2 x 2 x 2 x 2 x 2 x 2 x 7
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 2 x 2 = 8
Step 4: Therefore, the greatest common factor of 448 and 456 is 8