Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 154 and 159 the smallest integer that is 24486 that is divisible by both numbers.
Least Common Multiple (LCM) of 154 and 159 is 24486.
LCM(154,159) = 24486
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 154 and 159. First we will calculate the prime factors of 154 and 159.
Prime Factorization of 154
2 | 154 |
7 | 77 |
11 | 11 |
1 |
Prime factors of 154 are 2, 7,11. Prime factorization of 154 in exponential form is:
154 = 21×71×111
Prime Factorization of 159
3 | 159 |
53 | 53 |
1 |
Prime factors of 159 are 3,53. Prime factorization of 159 in exponential form is:
159 = 31×531
Now multiplying the highest exponent prime factors to calculate the LCM of 154 and 159.
LCM(154,159) = 21×31×71×111×531
LCM(154,159) = 24486
Factors of 154
List of positive integer factors of 154 that divides 154 without a remainder.
1, 2, 7, 11, 14, 22, 77, 154
Factors of 159
List of positive integer factors of 159 that divides 159 without a remainder.
1, 3, 53, 159
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 154 and 159, than apply into the LCM equation.
GCF(154,159) = 1
LCM(154,159) = ( 154 × 159) / 1
LCM(154,159) = 24486 / 1
LCM(154,159) = 24486
(i) The LCM of 159 and 154 is associative
LCM of 154 and 159 = LCM of 159 and 154
1. What is the LCM of 154 and 159?
Answer: LCM of 154 and 159 is 24486.
2. What are the Factors of 154?
Answer: Factors of 154 are 1, 2, 7, 11, 14, 22, 77, 154. There are 8 integers that are factors of 154. The greatest factor of 154 is 154.
3. What are the Factors of 159?
Answer: Factors of 159 are 1, 3, 53, 159. There are 4 integers that are factors of 159. The greatest factor of 159 is 159.
4. How to Find the LCM of 154 and 159?
Answer:
Least Common Multiple of 154 and 159 = 24486
Step 1: Find the prime factorization of 154
154 = 2 x 7 x 11
Step 2: Find the prime factorization of 159
159 = 3 x 53
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 24486 = 2 x 3 x 7 x 11 x 53
Step 4: Therefore, the least common multiple of 154 and 159 is 24486.