Q: Is 421,346 a Prime Number?
A: No, 421,346 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 421346 can be evenly divided by 1 2 191 382 1,103 2,206 210,673 and 421,346, with no remainder.
Since 421,346 cannot be divided by just 1 and 421,346, it is not a prime number.