Q: Is 1,604,504 a Prime Number?
A: No, 1,604,504 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 1604504 can be evenly divided by 1 2 4 8 11 22 44 88 18,233 36,466 72,932 145,864 200,563 401,126 802,252 and 1,604,504, with no remainder.
Since 1,604,504 cannot be divided by just 1 and 1,604,504, it is not a prime number.