Q: Is 397,871 a Prime Number?
A: No, 397,871 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 397871 can be evenly divided by 1 53 7,507 and 397,871, with no remainder.
Since 397,871 cannot be divided by just 1 and 397,871, it is not a prime number.