Math, asked by laxmankalirajan, 2 months ago

find the LCM of21,28 by prime factorisation

Answers

Answered by gangadhar825

1

Answer:

The LCM of 21 and 28 is 84.

Step-by-step explanation:

21 = 3 × 7

28 = 2 × 2 × 7

LCM = 2 × 2 × 3 × 7

LCM = 84

Answered by lahari60

2

Answer:

84

Step-by-step explanation:

7 | 21,28

| 3,4

L. C. M = 7*3*4=84

I hope my answer helps you ☺☺

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