Q: Is 428,604 a Prime Number?
A: No, 428,604 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 428604 can be evenly divided by 1 2 3 4 6 11 12 17 22 33 34 44 51 66 68 102 132 187 191 204 374 382 561 573 748 764 1,122 1,146 2,101 2,244 2,292 3,247 4,202 6,303 6,494 8,404 9,741 12,606 12,988 19,482 25,212 35,717 38,964 71,434 107,151 142,868 214,302 and 428,604, with no remainder.
Since 428,604 cannot be divided by just 1 and 428,604, it is not a prime number.