Q: Is 55,643 a Prime Number?
A: No, 55,643 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 55643 can be evenly divided by 1 7 7,949 and 55,643, with no remainder.
Since 55,643 cannot be divided by just 1 and 55,643, it is not a prime number.