Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 318 and 324 the smallest integer that is 17172 that is divisible by both numbers.
Least Common Multiple (LCM) of 318 and 324 is 17172.
LCM(318,324) = 17172
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 318 and 324. First we will calculate the prime factors of 318 and 324.
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 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
Now multiplying the highest exponent prime factors to calculate the LCM of 318 and 324.
LCM(318,324) = 22×34×531
LCM(318,324) = 17172
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 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
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 318 and 324, than apply into the LCM equation.
GCF(318,324) = 6
LCM(318,324) = ( 318 × 324) / 6
LCM(318,324) = 103032 / 6
LCM(318,324) = 17172
(i) The LCM of 324 and 318 is associative
LCM of 318 and 324 = LCM of 324 and 318
1. What is the LCM of 318 and 324?
Answer: LCM of 318 and 324 is 17172.
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 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 LCM of 318 and 324?
Answer:
Least Common Multiple of 318 and 324 = 17172
Step 1: Find the prime factorization of 318
318 = 2 x 3 x 53
Step 2: Find the prime factorization of 324
324 = 2 x 2 x 3 x 3 x 3 x 3
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 17172 = 2 x 2 x 3 x 3 x 3 x 3 x 53
Step 4: Therefore, the least common multiple of 318 and 324 is 17172.