Q: Is 256,709 a Prime Number?
A: No, 256,709 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 256709 can be evenly divided by 1 19 59 229 1,121 4,351 13,511 and 256,709, with no remainder.
Since 256,709 cannot be divided by just 1 and 256,709, it is not a prime number.