Question

The least number which should be added to 57 so that the sum is exactly divisible by 2,3,4,5 is

Answer 1

Answer:

3 should be added with 57 an then divide that no. with 2,3,4,5

Answer 2

The required number is 3.

Step-by-step explanation:

Divisibility rule are given below:

For 2, the last number has to 0 or divisible by 2.

For 3, the sum of the digit must be divisible by 3.

For 4, the the last number has to 0 or divisible by 4.

For 5, the last digit must be 0 or 5.

Thus if we add 3 to 57 it becomes 60.

60 satisfies all the required conditions explained above.

So, the least number number is 3.

Learn more:

Divisibility test if a number is divisible by 2 and not divisible by 3 and it is divisible by 6 or not​

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