Q: Is 426,243 a Prime Number?
A: No, 426,243 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 426243 can be evenly divided by 1 3 47 141 3,023 9,069 142,081 and 426,243, with no remainder.
Since 426,243 cannot be divided by just 1 and 426,243, it is not a prime number.