Q: Is 978,397 a Prime Number?
A: No, 978,397 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 978397 can be evenly divided by 1 7 23 59 103 161 413 721 1,357 2,369 6,077 9,499 16,583 42,539 139,771 and 978,397, with no remainder.
Since 978,397 cannot be divided by just 1 and 978,397, it is not a prime number.