Q: Is 281,423 a Prime Number?
A: Yes, 281,423 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 281423 can be evenly divided by 1 and 281,423, with no remainder.
Since 281,423 can be divided by just 1 and 281,423, it is a prime number.