Q: Is 2,003,604 a Prime Number?
A: No, 2,003,604 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 2003604 can be evenly divided by 1 2 3 4 6 12 166,967 333,934 500,901 667,868 1,001,802 and 2,003,604, with no remainder.
Since 2,003,604 cannot be divided by just 1 and 2,003,604, it is not a prime number.