Q: Is 16,611 a Prime Number?
A: No, 16,611 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 16611 can be evenly divided by 1 3 7 21 49 113 147 339 791 2,373 5,537 and 16,611, with no remainder.
Since 16,611 cannot be divided by just 1 and 16,611, it is not a prime number.