Q: Is 143,663 a Prime Number?
A: No, 143,663 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 143663 can be evenly divided by 1 13 43 257 559 3,341 11,051 and 143,663, with no remainder.
Since 143,663 cannot be divided by just 1 and 143,663, it is not a prime number.