Q: Is 17,978 a Prime Number?
A: No, 17,978 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 17978 can be evenly divided by 1 2 89 101 178 202 8,989 and 17,978, with no remainder.
Since 17,978 cannot be divided by just 1 and 17,978, it is not a prime number.