Q: Is 255,800 a Prime Number?
A: No, 255,800 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 255800 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 1,279 2,558 5,116 6,395 10,232 12,790 25,580 31,975 51,160 63,950 127,900 and 255,800, with no remainder.
Since 255,800 cannot be divided by just 1 and 255,800, it is not a prime number.