Q: Is 16,731 a Prime Number?
A: No, 16,731 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 16731 can be evenly divided by 1 3 9 11 13 33 39 99 117 143 169 429 507 1,287 1,521 1,859 5,577 and 16,731, with no remainder.
Since 16,731 cannot be divided by just 1 and 16,731, it is not a prime number.