Question

find the lcm in division method the number is 18,36,60,72​

Answer 1

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Answer 2

Answer:

360

Step-by-step explanation:

Write your numbers in the top row.

Divide your numbers by prime numbers as long as at least one of your numbers is evenly divisible by a prime number.

Division Table

2 18 36 60 72

2 9 18 30 36

2 9 9 15 18

3 9 9 15 9

3 3 3 5 3

5 1 1 5 1

1 1 1 1

Bring down any numbers that are not evenly divisible by the prime number.

When the last row of results is all 1's you are done.

Find the product of the prime numbers in the first column to get the LCM:

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

=360

LCM = 360

Therefore,

LCM(18, 36, 60, 72) = 360