Question

The least number is divisible by all the numbers from 1 to 10 both inclusive is....

A. 10
B.100
C.504
D.2520​

Answer 1

Correct option is D)

The least number divisible by all the number from 1 to 10 will be the L.C.M of following number,

1=1

2=2×1

3=3×1

4=2×2

5=5×1

6=2×3

7=7×1

8=2×2×2

9=3×3

10=2×5

So, the L.C.M. of these number is 1×2×2×2×3×3×5×7=2520

Hence, the least number divisible by all the numbers from 1 to 10 is 2520

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