Q: Is 231,663 a Prime Number?
A: No, 231,663 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 231663 can be evenly divided by 1 3 31 47 53 93 141 159 1,457 1,643 2,491 4,371 4,929 7,473 77,221 and 231,663, with no remainder.
Since 231,663 cannot be divided by just 1 and 231,663, it is not a prime number.