Q: Is 259,664 a Prime Number?
A: No, 259,664 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 259664 can be evenly divided by 1 2 4 8 16 16,229 32,458 64,916 129,832 and 259,664, with no remainder.
Since 259,664 cannot be divided by just 1 and 259,664, it is not a prime number.