Q: Is 255,742 a Prime Number?
A: No, 255,742 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 255742 can be evenly divided by 1 2 71 142 1,801 3,602 127,871 and 255,742, with no remainder.
Since 255,742 cannot be divided by just 1 and 255,742, it is not a prime number.