Q: Is 1,603,001 a Prime Number?
A: No, 1,603,001 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 1603001 can be evenly divided by 1 683 2,347 and 1,603,001, with no remainder.
Since 1,603,001 cannot be divided by just 1 and 1,603,001, it is not a prime number.