Q: Is 256,165 a Prime Number?
A: No, 256,165 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 256165 can be evenly divided by 1 5 7 13 35 65 91 455 563 2,815 3,941 7,319 19,705 36,595 51,233 and 256,165, with no remainder.
Since 256,165 cannot be divided by just 1 and 256,165, it is not a prime number.