Q: Is 280,129 a Prime Number?
A: Yes, 280,129 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 280129 can be evenly divided by 1 and 280,129, with no remainder.
Since 280,129 can be divided by just 1 and 280,129, it is a prime number.