Question

If a number is divisible by 63 then it is also divisible by

Answer 1

 7

As 63 is divisible by 7, so number which is divisible by 63 is also divisible by 7.

Answer 2

If a number is divisible by 63 then it is also divisible by 3 , 7 , 9 , 21

Given :

The number 63

To find :

The number is also by which number

Solution :

Step 1 of 3 :

Write down the given number

The given number is 63

Step 2 of 3 :

Prime factorise the given number

63 = 3 × 3 × 7

Step 3 of 3 :

Find the required number

We know that if a number is divisible by N then the number is also divisible by factors of N

The factors of 63 are 3 , 7 , 9 , 21

If a number is divisible by 63 then it is also divisible by 3 , 7 , 9 , 21

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