Q: Is 143,303 a Prime Number?
A: No, 143,303 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 143303 can be evenly divided by 1 47 3,049 and 143,303, with no remainder.
Since 143,303 cannot be divided by just 1 and 143,303, it is not a prime number.