Question

Find the lCM number given below
28,36,45,60

Answer 1

Therefore, LCM of 28,36,45,60 in division method is 1260.

Given : Numbers 28, 36 ,45,

Division method is dividing the term by the least prime number divisible by the number.

Now, The LCM of 28, 36 ,45, 60 is

2 | 28 36 45 60

2 | 14 18 45 30

3 | 7 9 45 15

3 | 7 3 15 5

5 | 7 1 5 5

7 | 7 1 1 1

| 1 1 1 1

So, The LCM of 28, 36 ,45, 60 is

LCM= 2\times2\times3\times3\times5\times7

LCM= 1260

Therefore, LCM of 28,36,45,60 in division method is 1260.