Q: Is 421,425 a Prime Number?
A: No, 421,425 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 421425 can be evenly divided by 1 3 5 9 15 25 45 75 225 1,873 5,619 9,365 16,857 28,095 46,825 84,285 140,475 and 421,425, with no remainder.
Since 421,425 cannot be divided by just 1 and 421,425, it is not a prime number.