Q: Is 111,621 a Prime Number?
A: No, 111,621 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 111621 can be evenly divided by 1 3 29 87 1,283 3,849 37,207 and 111,621, with no remainder.
Since 111,621 cannot be divided by just 1 and 111,621, it is not a prime number.