Q: Is 1,663,004 a Prime Number?
A: No, 1,663,004 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 1663004 can be evenly divided by 1 2 4 7 14 28 59,393 118,786 237,572 415,751 831,502 and 1,663,004, with no remainder.
Since 1,663,004 cannot be divided by just 1 and 1,663,004, it is not a prime number.