Question

find the least number of five digits that is exactly divisible by 16, 18,24 and 30​

Answer 1

Answer:

Step-by-step explanation:

L.C.M of 16, 18, 24, and 30 is 720. 720 is only a 3 digit number. But we have to find the least five digit number. So we must multiply 720 by the smallest integer that will make it be at least 10000, which is the smallest 5-digit number

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Answer 2

The least no. which is divisible by 16, 18 ,24 & 30 is their LCM

16 = 2^4

18 = 2* 3^2

24 = 2^3* 3

30 = 2*3*5

LCM (16,18, 24, 30) = 2^4*3^2*5= 720