Q: Is 428,442 a Prime Number?
A: No, 428,442 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 428442 can be evenly divided by 1 2 3 6 7 14 21 42 101 202 303 606 707 1,414 2,121 4,242 10,201 20,402 30,603 61,206 71,407 142,814 214,221 and 428,442, with no remainder.
Since 428,442 cannot be divided by just 1 and 428,442, it is not a prime number.