Question

find the LCM of first nine odd numbers

Answer 1

the first 9 odd numbers are:

1, 3, 5, 7, 9, 11, 13, 15, 17

so, the lcm of these numbers= 765765

(steps seen from the attachment)

1df139f9ea81a322d6ae52deec2623f1.docx

Answer 2

The Answer is 765765

GIVEN

First 9 odd numbers

TO FIND

We can simply solve the above problem as follows;

SOLUTION

We can simply solve the above problem as follows;

We know that odd numbers are those numbers which are not divisible by 2.

Therefore,

First 9 odd numbers are - 1,3,5,7,9,11,13,15,and 17

LCM of 1,3,5,7,9,11,13,15,and 17.

1| 1, 3, 5, 7, 9 ,11, 13, 15,17

3|1, 1 ,5 ,7, 3, 11, 13, 5 , 17

3|1,1, 5, 7 ,1, 11, 13, 5, 17

5|1, 1, 1, 7 ,1, 11, 13 ,1 ,17

7|1, 1, 1, 1, 1, 11, 13, 1, 17

11 |1, 1, 1, 1, 1, 11, 13, 1 ,17

13 |1, 1, 1, 1, 1, 1, 13, 1 ,17

17|1, 1, 1, 1, 1, 11, 1, 1 ,17

1|1, 1, 1, 1, 1, 1, 1, 1 ,1

LCM = 1×3×3×5×7×11×13××17 = 765765

Hence, The Answer is 765765

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