Q: Is 406,425 a Prime Number?
A: No, 406,425 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 406425 can be evenly divided by 1 3 5 15 25 75 5,419 16,257 27,095 81,285 135,475 and 406,425, with no remainder.
Since 406,425 cannot be divided by just 1 and 406,425, it is not a prime number.