Q: Is 428,004 a Prime Number?
A: No, 428,004 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 428004 can be evenly divided by 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 1,321 2,642 3,963 5,284 7,926 11,889 15,852 23,778 35,667 47,556 71,334 107,001 142,668 214,002 and 428,004, with no remainder.
Since 428,004 cannot be divided by just 1 and 428,004, it is not a prime number.