Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 324 and 325 the smallest integer that is 105300 that is divisible by both numbers.
Least Common Multiple (LCM) of 324 and 325 is 105300.
LCM(324,325) = 105300
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 324 and 325. First we will calculate the prime factors of 324 and 325.
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
Prime Factorization of 325
5 | 325 |
5 | 65 |
13 | 13 |
1 |
Prime factors of 325 are 5,13. Prime factorization of 325 in exponential form is:
325 = 52×131
Now multiplying the highest exponent prime factors to calculate the LCM of 324 and 325.
LCM(324,325) = 22×34×52×131
LCM(324,325) = 105300
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
Factors of 325
List of positive integer factors of 325 that divides 325 without a remainder.
1, 5, 13, 25, 65, 325
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 324 and 325, than apply into the LCM equation.
GCF(324,325) = 1
LCM(324,325) = ( 324 × 325) / 1
LCM(324,325) = 105300 / 1
LCM(324,325) = 105300
(i) The LCM of 325 and 324 is associative
LCM of 324 and 325 = LCM of 325 and 324
1. What is the LCM of 324 and 325?
Answer: LCM of 324 and 325 is 105300.
2. 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.
3. What are the Factors of 325?
Answer: Factors of 325 are 1, 5, 13, 25, 65, 325. There are 6 integers that are factors of 325. The greatest factor of 325 is 325.
4. How to Find the LCM of 324 and 325?
Answer:
Least Common Multiple of 324 and 325 = 105300
Step 1: Find the prime factorization of 324
324 = 2 x 2 x 3 x 3 x 3 x 3
Step 2: Find the prime factorization of 325
325 = 5 x 5 x 13
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 105300 = 2 x 2 x 3 x 3 x 3 x 3 x 5 x 5 x 13
Step 4: Therefore, the least common multiple of 324 and 325 is 105300.