Q: Is 421,682 a Prime Number?
A: No, 421,682 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 421682 can be evenly divided by 1 2 23 46 89 103 178 206 2,047 2,369 4,094 4,738 9,167 18,334 210,841 and 421,682, with no remainder.
Since 421,682 cannot be divided by just 1 and 421,682, it is not a prime number.