Q: Is 1,604,572 a Prime Number?
A: No, 1,604,572 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 1604572 can be evenly divided by 1 2 4 23 46 92 107 163 214 326 428 652 2,461 3,749 4,922 7,498 9,844 14,996 17,441 34,882 69,764 401,143 802,286 and 1,604,572, with no remainder.
Since 1,604,572 cannot be divided by just 1 and 1,604,572, it is not a prime number.