Question

13. find the least number
divisible by 15, 20 24, 32, and
36​

Answer 1

Answer:

1

Step-by-step explanation:

Answer 2

Answer:

To find least number which is

divisible by 15 , 20 , 24 , 32 , 36

we have find the LCM of given

numbers.

2| 15 , 20 , 24 , 32 , 36

____________________

2| 15 , 10 , 12 , 16 , 18

_____________________

2| 15 , 5 , 6 , 8 , 9

___________________

3| 15 , 5 , 3, 4, 9

___________________

5 |5 , 5 , 1 , 4 , 3

_______________

** |1 , 1 , 1 , 4 , 3

______________

Therefore ,

LCM = 2 × 2 × 2 × 3 × 5 × 4 × 3

= 1440

Required least number is 1440.

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