Q: Is 691,397 a Prime Number?
A: No, 691,397 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 691397 can be evenly divided by 1 7 43 301 2,297 16,079 98,771 and 691,397, with no remainder.
Since 691,397 cannot be divided by just 1 and 691,397, it is not a prime number.