Q: Is 421,627 a Prime Number?
A: No, 421,627 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 421627 can be evenly divided by 1 293 1,439 and 421,627, with no remainder.
Since 421,627 cannot be divided by just 1 and 421,627, it is not a prime number.