Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 153 and 158 the smallest integer that is 24174 that is divisible by both numbers.
Least Common Multiple (LCM) of 153 and 158 is 24174.
LCM(153,158) = 24174
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 153 and 158. First we will calculate the prime factors of 153 and 158.
Prime Factorization of 153
3 | 153 |
3 | 51 |
17 | 17 |
1 |
Prime factors of 153 are 3,17. Prime factorization of 153 in exponential form is:
153 = 32×171
Prime Factorization of 158
2 | 158 |
79 | 79 |
1 |
Prime factors of 158 are 2,79. Prime factorization of 158 in exponential form is:
158 = 21×791
Now multiplying the highest exponent prime factors to calculate the LCM of 153 and 158.
LCM(153,158) = 21×32×171×791
LCM(153,158) = 24174
Factors of 153
List of positive integer factors of 153 that divides 153 without a remainder.
1, 3, 9, 17, 51, 153
Factors of 158
List of positive integer factors of 158 that divides 158 without a remainder.
1, 2, 79, 158
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 153 and 158, than apply into the LCM equation.
GCF(153,158) = 1
LCM(153,158) = ( 153 × 158) / 1
LCM(153,158) = 24174 / 1
LCM(153,158) = 24174
(i) The LCM of 158 and 153 is associative
LCM of 153 and 158 = LCM of 158 and 153
1. What is the LCM of 153 and 158?
Answer: LCM of 153 and 158 is 24174.
2. What are the Factors of 153?
Answer: Factors of 153 are 1, 3, 9, 17, 51, 153. There are 6 integers that are factors of 153. The greatest factor of 153 is 153.
3. What are the Factors of 158?
Answer: Factors of 158 are 1, 2, 79, 158. There are 4 integers that are factors of 158. The greatest factor of 158 is 158.
4. How to Find the LCM of 153 and 158?
Answer:
Least Common Multiple of 153 and 158 = 24174
Step 1: Find the prime factorization of 153
153 = 3 x 3 x 17
Step 2: Find the prime factorization of 158
158 = 2 x 79
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 24174 = 2 x 3 x 3 x 17 x 79
Step 4: Therefore, the least common multiple of 153 and 158 is 24174.