Question

find the lcm of the following by using prime factorization 135,120​

Answer 1

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FIND THE LCM OF THE FOLLOWING BY USING PRIME FACTORIZATION 135,120

Steps to find LCM=

• Find the prime factorization of 120. 120 = 2 × 2 × 2 × 3 × 5.

• Find the prime factorization of 135. 135 = 3 × 3 × 3 × 5.

• LCM = 2 × 2 × 2 × 3 × 3 × 3 × 5.

• LCM = 1080.

Answer 2

Answer

Step - by - step solution

LCM of 135

3 | 135

5 | 45

3 | 9

3 | 3

| 1

LCM of 120

2 | 120

2 | 60

2 | 30

3 | 15

5 | 5

| 1

LCM = 3 x 5 x 3 x 3

= 2 x 2 x 2 x 3 x 5

Common no. is 3 x 5

= 3 x 5 x 3 x 3 x 2 x 2 x 2

= 1080 Ans !!!

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