Q: Is 426,609 a Prime Number?
A: No, 426,609 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 426609 can be evenly divided by 1 3 9 107 321 443 963 1,329 3,987 47,401 142,203 and 426,609, with no remainder.
Since 426,609 cannot be divided by just 1 and 426,609, it is not a prime number.