Q: Is 257,567 a Prime Number?
A: No, 257,567 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 257567 can be evenly divided by 1 17 109 139 1,853 2,363 15,151 and 257,567, with no remainder.
Since 257,567 cannot be divided by just 1 and 257,567, it is not a prime number.