Q: Is 557,129 a Prime Number?
A: No, 557,129 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 557129 can be evenly divided by 1 23 24,223 and 557,129, with no remainder.
Since 557,129 cannot be divided by just 1 and 557,129, it is not a prime number.