Q: Is 1,003,604 a Prime Number?
A: No, 1,003,604 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 1003604 can be evenly divided by 1 2 4 7 14 28 73 146 292 491 511 982 1,022 1,964 2,044 3,437 6,874 13,748 35,843 71,686 143,372 250,901 501,802 and 1,003,604, with no remainder.
Since 1,003,604 cannot be divided by just 1 and 1,003,604, it is not a prime number.