Q: Is 108,621 a Prime Number?
A: No, 108,621 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 108621 can be evenly divided by 1 3 9 27 81 149 243 447 729 1,341 4,023 12,069 36,207 and 108,621, with no remainder.
Since 108,621 cannot be divided by just 1 and 108,621, it is not a prime number.