Question

the smallest number exactly divisible by each one of the number 12,15,20,27 is _?​

Answer 1

Answer:

Least number exactly divisible by 12, 15, 20 and 27 is the LCM of these 4 numbers. Thus the least number exactly divisible by 12, 15, 20 and 27 is 540.

12 = 2×2×3 = 2^2 ×3^1

15 = 3× 5

20 = 2×2×5 = 2^2×5

27 = 3×3×3 = 3^3

 

LCM = 2^2 × 3^3 × 5 = 540

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Answer 2

Step-by-step explanation:

the smallest number which is exactly divisible by them