Q: Is 426,443 a Prime Number?
A: No, 426,443 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 426443 can be evenly divided by 1 23 18,541 and 426,443, with no remainder.
Since 426,443 cannot be divided by just 1 and 426,443, it is not a prime number.