Q: Is 8,643 a Prime Number?
A: No, 8,643 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 8643 can be evenly divided by 1 3 43 67 129 201 2,881 and 8,643, with no remainder.
Since 8,643 cannot be divided by just 1 and 8,643, it is not a prime number.