Q: Is 5,403 a Prime Number?
A: No, 5,403 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5403 can be evenly divided by 1 3 1,801 and 5,403, with no remainder.
Since 5,403 cannot be divided by just 1 and 5,403, it is not a prime number.