Q: Is 255,280 a Prime Number?
A: No, 255,280 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 255280 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 3,191 6,382 12,764 15,955 25,528 31,910 51,056 63,820 127,640 and 255,280, with no remainder.
Since 255,280 cannot be divided by just 1 and 255,280, it is not a prime number.