Q: Is 1,604,613 a Prime Number?
A: No, 1,604,613 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 1604613 can be evenly divided by 1 3 17 51 73 219 431 1,241 1,293 3,723 7,327 21,981 31,463 94,389 534,871 and 1,604,613, with no remainder.
Since 1,604,613 cannot be divided by just 1 and 1,604,613, it is not a prime number.