What is the least number that must be added to 1056 so the number is divisible by 23?
On dividing 1056 by 23, we get,
45231056 1035 ↓ 21
1056 = 23 × 45 + 21
Here, the remainder is 21 and divisor is 21.
The diffrenece between Divisor and remainder = 23 - 21 = 2.
⇒ If we add 2 to the dividend 1056, we will get a number completely divisible by 23.
∴ The least number to be added = 2