100 is the only smallest 3 digit number.

**How can we create smallest three digit number**

- The three digit number contains only three digits.
- The hundred value of the number should be 1. It can’t be zero as zero doesn’t have any value if they are coming decimal.
- The unit and ten should be zero
- One number less than 100 is 99 which is not three digit number and one number more than 100 is 101 which is not the smallest digit three number.