Q: Is 167,643 a Prime Number?
A: No, 167,643 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 167643 can be evenly divided by 1 3 7 9 21 27 63 189 887 2,661 6,209 7,983 18,627 23,949 55,881 and 167,643, with no remainder.
Since 167,643 cannot be divided by just 1 and 167,643, it is not a prime number.