Q: Is 425,431 a Prime Number?
A: No, 425,431 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 425431 can be evenly divided by 1 23 53 349 1,219 8,027 18,497 and 425,431, with no remainder.
Since 425,431 cannot be divided by just 1 and 425,431, it is not a prime number.