Q: Is 397,003 a Prime Number?
A: No, 397,003 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 397003 can be evenly divided by 1 23 41 421 943 9,683 17,261 and 397,003, with no remainder.
Since 397,003 cannot be divided by just 1 and 397,003, it is not a prime number.