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 154 the smallest integer that is 23562 that is divisible by both numbers.
Least Common Multiple (LCM) of 153 and 154 is 23562.
LCM(153,154) = 23562
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 154. First we will calculate the prime factors of 153 and 154.
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 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
Now multiplying the highest exponent prime factors to calculate the LCM of 153 and 154.
LCM(153,154) = 21×32×71×111×171
LCM(153,154) = 23562
Factors of 153
List of positive integer factors of 153 that divides 153 without a remainder.
1, 3, 9, 17, 51, 153
Factors of 154
List of positive integer factors of 154 that divides 154 without a remainder.
1, 2, 7, 11, 14, 22, 77, 154
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 153 and 154, than apply into the LCM equation.
GCF(153,154) = 1
LCM(153,154) = ( 153 × 154) / 1
LCM(153,154) = 23562 / 1
LCM(153,154) = 23562
(i) The LCM of 154 and 153 is associative
LCM of 153 and 154 = LCM of 154 and 153
1. What is the LCM of 153 and 154?
Answer: LCM of 153 and 154 is 23562.
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 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.
4. How to Find the LCM of 153 and 154?
Answer:
Least Common Multiple of 153 and 154 = 23562
Step 1: Find the prime factorization of 153
153 = 3 x 3 x 17
Step 2: Find the prime factorization of 154
154 = 2 x 7 x 11
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 23562 = 2 x 3 x 3 x 7 x 11 x 17
Step 4: Therefore, the least common multiple of 153 and 154 is 23562.