Q: Is 431,427 a Prime Number?
A: No, 431,427 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 431427 can be evenly divided by 1 3 31 93 4,639 13,917 143,809 and 431,427, with no remainder.
Since 431,427 cannot be divided by just 1 and 431,427, it is not a prime number.