Question

find the LCM of 56 45 12 48 by common division method​

Answer 1

Answer:

15 is right answer

Step-by-step explanation:

please give me some thanks

Answer 2

Answer: LCM = 5040

Step-by-step explanation:

Step 1 : Write the given numbers in a horizontal line.

 56 45 12 48

Step 2 : Divide the given numbers by smallest prime number. In this example we can divide by 2.

(if any number is not divisible by 2, write it down unchanged)

2 56 45 12 48

 28 45 6 24

Step 3 : Continue dividing by prime numbers till we get 1 in all columns.

2 56 45 12 48

2 28 45 6 24

2 14 45 3 12

2 7 45 3 6

3 7 45 3 3

3 7 15 1 1

5 7 5 1 1

7 7 1 1 1

 1 1 1 1

Step 4 : Multiply numbers in first column to get LCM.

LCM( 56, 45, 12, 48 ) = 2 · 2 · 2 · 2 · 3 · 3 · 5 · 7 = 5040