Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 316 and 324 the smallest integer that is 25596 that is divisible by both numbers.
Least Common Multiple (LCM) of 316 and 324 is 25596.
LCM(316,324) = 25596
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 316 and 324. First we will calculate the prime factors of 316 and 324.
Prime Factorization of 316
2 | 316 |
2 | 158 |
79 | 79 |
1 |
Prime factors of 316 are 2,79. Prime factorization of 316 in exponential form is:
316 = 22×791
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 316 and 324.
LCM(316,324) = 22×34×791
LCM(316,324) = 25596
Factors of 316
List of positive integer factors of 316 that divides 316 without a remainder.
1, 2, 4, 79, 158, 316
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 316 and 324, than apply into the LCM equation.
GCF(316,324) = 4
LCM(316,324) = ( 316 × 324) / 4
LCM(316,324) = 102384 / 4
LCM(316,324) = 25596
(i) The LCM of 324 and 316 is associative
LCM of 316 and 324 = LCM of 324 and 316
1. What is the LCM of 316 and 324?
Answer: LCM of 316 and 324 is 25596.
2. What are the Factors of 316?
Answer: Factors of 316 are 1, 2, 4, 79, 158, 316. There are 6 integers that are factors of 316. The greatest factor of 316 is 316.
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 316 and 324?
Answer:
Least Common Multiple of 316 and 324 = 25596
Step 1: Find the prime factorization of 316
316 = 2 x 2 x 79
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 = 25596 = 2 x 2 x 3 x 3 x 3 x 3 x 79
Step 4: Therefore, the least common multiple of 316 and 324 is 25596.