Q: Is 257,442 a Prime Number?
A: No, 257,442 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 257442 can be evenly divided by 1 2 3 6 107 214 321 401 642 802 1,203 2,406 42,907 85,814 128,721 and 257,442, with no remainder.
Since 257,442 cannot be divided by just 1 and 257,442, it is not a prime number.