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 160 the smallest integer that is 24480 that is divisible by both numbers.
Least Common Multiple (LCM) of 153 and 160 is 24480.
LCM(153,160) = 24480
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 160. First we will calculate the prime factors of 153 and 160.
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 160
2 | 160 |
2 | 80 |
2 | 40 |
2 | 20 |
2 | 10 |
5 | 5 |
1 |
Prime factors of 160 are 2,5. Prime factorization of 160 in exponential form is:
160 = 25×51
Now multiplying the highest exponent prime factors to calculate the LCM of 153 and 160.
LCM(153,160) = 25×32×51×171
LCM(153,160) = 24480
Factors of 153
List of positive integer factors of 153 that divides 153 without a remainder.
1, 3, 9, 17, 51, 153
Factors of 160
List of positive integer factors of 160 that divides 160 without a remainder.
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 153 and 160, than apply into the LCM equation.
GCF(153,160) = 1
LCM(153,160) = ( 153 × 160) / 1
LCM(153,160) = 24480 / 1
LCM(153,160) = 24480
(i) The LCM of 160 and 153 is associative
LCM of 153 and 160 = LCM of 160 and 153
1. What is the LCM of 153 and 160?
Answer: LCM of 153 and 160 is 24480.
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 160?
Answer: Factors of 160 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160. There are 12 integers that are factors of 160. The greatest factor of 160 is 160.
4. How to Find the LCM of 153 and 160?
Answer:
Least Common Multiple of 153 and 160 = 24480
Step 1: Find the prime factorization of 153
153 = 3 x 3 x 17
Step 2: Find the prime factorization of 160
160 = 2 x 2 x 2 x 2 x 2 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 24480 = 2 x 2 x 2 x 2 x 2 x 3 x 3 x 5 x 17
Step 4: Therefore, the least common multiple of 153 and 160 is 24480.