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 321, 324 i.e. 3 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 321 and 324 is 3.
GCF(321,324) = 3
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 321
3 | 321 |
107 | 107 |
1 |
Prime factors of 321 are 3,107. Prime factorization of 321 in exponential form is:
321 = 31×1071
Prime Factorization of 324
2 | 324 |
2 | 162 |
3 | 81 |
3 | 27 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 324 are 2,3. Prime factorization of 324 in exponential form is:
324 = 22×34
∴ So by taking common prime factors GCF of 321 and 324 is 3
Factors of 321
List of positive integer factors of 321 that divides 321 without a remainder.
1,3,107,321
Factors of 324
List of positive integer factors of 324 that divides 324 without a remainder.
1,2,3,4,6,9,12,18,27,36,54,81,108,162,324
Greatest Common Factor
We found the factors and prime factorization of 321 and 324. The biggest common factor number is the GCF number.
So the greatest common factor 321 and 324 is 3.
Also check out the Least Common Multiple of 321 and 324
(i) The GCF of 321 and 324 is associative
GCF of 321 and 324 = GCF of 324 and 321
1. What is the GCF of 321 and 324?
Answer: GCF of 321 and 324 is 3.
2. What are the Factors of 321?
Answer: Factors of 321 are 1, 3, 107, 321. There are 4 integers that are factors of 321. The greatest factor of 321 is 321.
3. What are the Factors of 324?
Answer: Factors of 324 are 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324. There are 15 integers that are factors of 324. The greatest factor of 324 is 324.
4. How to Find the GCF of 321 and 324?
Answer:
Greatest Common Factor of 321 and 324 = 3
Step 1: Find the prime factorization of 321
321 = 3 x 107
Step 2: Find the prime factorization of 324
324 = 2 x 2 x 3 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 = 3
Step 4: Therefore, the greatest common factor of 321 and 324 is 3