Q: Is 16,371 a Prime Number?
A: No, 16,371 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 16371 can be evenly divided by 1 3 9 17 51 107 153 321 963 1,819 5,457 and 16,371, with no remainder.
Since 16,371 cannot be divided by just 1 and 16,371, it is not a prime number.