Question

Ilme.: 40 min.
Attempt all questions:-
What is the least number that is divisible by all the natural
numbers from 1 to 10?
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Answer 1

Answer:

2520

Step-by-step explanation:

lcm(1,2,3,4,5,6,7,8,9,10)

First find the prime Factorisation of each

1=1

2=2

3=3

4=2×2 =2 2

5=5

6=2•3

7=7

8=2×2×2=2^3

9=3×3=3^2

10=2×5

Now take every number that occurs, and raise it to the highest power it occurs in

1,2^3 ,3^2 ,5,7

and then multiply this new set together for your answer

1×8×9×5×7 = 2520