Q: Is 255,424 a Prime Number?
A: No, 255,424 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 255424 can be evenly divided by 1 2 4 8 13 16 26 32 52 64 104 208 307 416 614 832 1,228 2,456 3,991 4,912 7,982 9,824 15,964 19,648 31,928 63,856 127,712 and 255,424, with no remainder.
Since 255,424 cannot be divided by just 1 and 255,424, it is not a prime number.