Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 36 and 48 the smallest integer that is 144 that is divisible by both numbers.
Least Common Multiple (LCM) of 36 and 48 is 144.
LCM(36,48) = 144
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 36 and 48. First we will calculate the prime factors of 36 and 48.
Prime Factorization of 36
2 | 36 |
2 | 18 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 36 are 2,3. Prime factorization of 36 in exponential form is:
36 = 22×32
Prime Factorization of 48
2 | 48 |
2 | 24 |
2 | 12 |
2 | 6 |
3 | 3 |
1 |
Prime factors of 48 are 2,3. Prime factorization of 48 in exponential form is:
48 = 24×31
Now multiplying the highest exponent prime factors to calculate the LCM of 36 and 48.
LCM(36,48) = 24×32
LCM(36,48) = 144
Factors of 36
List of positive integer factors of 36 that divides 36 without a remainder.
1, 2, 3, 4, 6, 9, 12, 18, 36
Factors of 48
List of positive integer factors of 48 that divides 48 without a remainder.
1, 2, 3, 4, 6, 8, 12, 16, 24, 48
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 36 and 48, than apply into the LCM equation.
GCF(36,48) = 12
LCM(36,48) = ( 36 × 48) / 12
LCM(36,48) = 1728 / 12
LCM(36,48) = 144
(i) The LCM of 48 and 36 is associative
LCM of 36 and 48 = LCM of 48 and 36
1. What is the LCM of 36 and 48?
Answer: LCM of 36 and 48 is 144.
2. What are the Factors of 36?
Answer: Factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, 36. There are 9 integers that are factors of 36. The greatest factor of 36 is 36.
3. What are the Factors of 48?
Answer: Factors of 48 are 1, 2, 3, 4, 6, 8, 12, 16, 24, 48. There are 10 integers that are factors of 48. The greatest factor of 48 is 48.
4. How to Find the LCM of 36 and 48?
Answer:
Least Common Multiple of 36 and 48 = 144
Step 1: Find the prime factorization of 36
36 = 2 x 2 x 3 x 3
Step 2: Find the prime factorization of 48
48 = 2 x 2 x 2 x 2 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 = 144 = 2 x 2 x 2 x 2 x 3 x 3
Step 4: Therefore, the least common multiple of 36 and 48 is 144.