Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 144 and 152 the smallest integer that is 2736 that is divisible by both numbers.
Least Common Multiple (LCM) of 144 and 152 is 2736.
LCM(144,152) = 2736
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 144 and 152. First we will calculate the prime factors of 144 and 152.
Prime Factorization of 144
2 | 144 |
2 | 72 |
2 | 36 |
2 | 18 |
3 | 9 |
3 | 3 |
1 |
Prime factors of 144 are 2,3. Prime factorization of 144 in exponential form is:
144 = 24×32
Prime Factorization of 152
2 | 152 |
2 | 76 |
2 | 38 |
19 | 19 |
1 |
Prime factors of 152 are 2,19. Prime factorization of 152 in exponential form is:
152 = 23×191
Now multiplying the highest exponent prime factors to calculate the LCM of 144 and 152.
LCM(144,152) = 24×32×191
LCM(144,152) = 2736
Factors of 144
List of positive integer factors of 144 that divides 144 without a remainder.
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
Factors of 152
List of positive integer factors of 152 that divides 152 without a remainder.
1, 2, 4, 8, 19, 38, 76, 152
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 144 and 152, than apply into the LCM equation.
GCF(144,152) = 8
LCM(144,152) = ( 144 × 152) / 8
LCM(144,152) = 21888 / 8
LCM(144,152) = 2736
(i) The LCM of 152 and 144 is associative
LCM of 144 and 152 = LCM of 152 and 144
1. What is the LCM of 144 and 152?
Answer: LCM of 144 and 152 is 2736.
2. What are the Factors of 144?
Answer: Factors of 144 are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144. There are 15 integers that are factors of 144. The greatest factor of 144 is 144.
3. What are the Factors of 152?
Answer: Factors of 152 are 1, 2, 4, 8, 19, 38, 76, 152. There are 8 integers that are factors of 152. The greatest factor of 152 is 152.
4. How to Find the LCM of 144 and 152?
Answer:
Least Common Multiple of 144 and 152 = 2736
Step 1: Find the prime factorization of 144
144 = 2 x 2 x 2 x 2 x 3 x 3
Step 2: Find the prime factorization of 152
152 = 2 x 2 x 2 x 19
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 2736 = 2 x 2 x 2 x 2 x 3 x 3 x 19
Step 4: Therefore, the least common multiple of 144 and 152 is 2736.