Q: Is 6,603 a Prime Number?
A: No, 6,603 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 6603 can be evenly divided by 1 3 31 71 93 213 2,201 and 6,603, with no remainder.
Since 6,603 cannot be divided by just 1 and 6,603, it is not a prime number.