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 318, 320 i.e. 2 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 318 and 320 is 2.
GCF(318,320) = 2
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 318
2 | 318 |
3 | 159 |
53 | 53 |
1 |
Prime factors of 318 are 2,3,53. Prime factorization of 318 in exponential form is:
318 = 21×31×531
Prime Factorization of 320
2 | 320 |
2 | 160 |
2 | 80 |
2 | 40 |
2 | 20 |
2 | 10 |
5 | 5 |
1 |
Prime factors of 320 are 2,5. Prime factorization of 320 in exponential form is:
320 = 26×51
∴ So by taking common prime factors GCF of 318 and 320 is 2
Factors of 318
List of positive integer factors of 318 that divides 318 without a remainder.
1,2,3,6,53,106,159,318
Factors of 320
List of positive integer factors of 320 that divides 320 without a remainder.
1,2,4,5,8,10,16,20,32,40,64,80,160,320
Greatest Common Factor
We found the factors and prime factorization of 318 and 320. The biggest common factor number is the GCF number.
So the greatest common factor 318 and 320 is 2.
Also check out the Least Common Multiple of 318 and 320
(i) The GCF of 318 and 320 is associative
GCF of 318 and 320 = GCF of 320 and 318
1. What is the GCF of 318 and 320?
Answer: GCF of 318 and 320 is 2.
2. What are the Factors of 318?
Answer: Factors of 318 are 1, 2, 3, 6, 53, 106, 159, 318. There are 8 integers that are factors of 318. The greatest factor of 318 is 318.
3. What are the Factors of 320?
Answer: Factors of 320 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320. There are 14 integers that are factors of 320. The greatest factor of 320 is 320.
4. How to Find the GCF of 318 and 320?
Answer:
Greatest Common Factor of 318 and 320 = 2
Step 1: Find the prime factorization of 318
318 = 2 x 3 x 53
Step 2: Find the prime factorization of 320
320 = 2 x 2 x 2 x 2 x 2 x 2 x 5
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = 2
Step 4: Therefore, the greatest common factor of 318 and 320 is 2