Q: Is 397,401 a Prime Number?
A: No, 397,401 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 397401 can be evenly divided by 1 3 139 417 953 2,859 132,467 and 397,401, with no remainder.
Since 397,401 cannot be divided by just 1 and 397,401, it is not a prime number.