Q: Is 646,708 a Prime Number?
A: No, 646,708 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 646708 can be evenly divided by 1 2 4 107 214 428 1,511 3,022 6,044 161,677 323,354 and 646,708, with no remainder.
Since 646,708 cannot be divided by just 1 and 646,708, it is not a prime number.