Question

find the LCM using division method 21,28,36,45​

Answer 1

Answer:

21,28,36,45:-

LCM of these numbers are 1260.

Refer to the attached file.

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Answer 2

Answer:

Hi ,

21 = 3 × 7

28 = 2 × 2 × 7

36 = 2 × 2 × 3 × 3

45 = 3 × 3 × 5

LCM = 2² × 3² × 5 × 7

= 1260

I hope this helps you.