Q: Is 256,742 a Prime Number?
A: No, 256,742 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 256742 can be evenly divided by 1 2 31 41 62 82 101 202 1,271 2,542 3,131 4,141 6,262 8,282 128,371 and 256,742, with no remainder.
Since 256,742 cannot be divided by just 1 and 256,742, it is not a prime number.