Q: Is 861,397 a Prime Number?
A: No, 861,397 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 861397 can be evenly divided by 1 31 37 751 1,147 23,281 27,787 and 861,397, with no remainder.
Since 861,397 cannot be divided by just 1 and 861,397, it is not a prime number.