Q: Is 428,245 a Prime Number?
A: No, 428,245 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 428245 can be evenly divided by 1 5 41 205 2,089 10,445 85,649 and 428,245, with no remainder.
Since 428,245 cannot be divided by just 1 and 428,245, it is not a prime number.