Question

find the lcm of the following i) 21,45,36​

Answer 1

Answer:

1260

Step-by-step explanation:

2 | 21, 45, 36

2 | 21, 45, 18

3 | 21, 45, 9

3 | 7, 15, 3

5 | 7, 5, 1

7 | 7, 1, 1

1, 1, 1

LCM of 21, 45 and 36 = 2 × 2 × 3 × 3 × 5 × 7

= 1260