Q: Is 421,706 a Prime Number?
A: No, 421,706 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 421706 can be evenly divided by 1 2 210,853 and 421,706, with no remainder.
Since 421,706 cannot be divided by just 1 and 421,706, it is not a prime number.