Q: Is 421,234 a Prime Number?
A: No, 421,234 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 421234 can be evenly divided by 1 2 11 22 41 82 451 467 902 934 5,137 10,274 19,147 38,294 210,617 and 421,234, with no remainder.
Since 421,234 cannot be divided by just 1 and 421,234, it is not a prime number.