Q: Is 423,445 a Prime Number?
A: No, 423,445 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 423445 can be evenly divided by 1 5 11 55 7,699 38,495 84,689 and 423,445, with no remainder.
Since 423,445 cannot be divided by just 1 and 423,445, it is not a prime number.