Q: Is 12,664 a Prime Number?
A: No, 12,664 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 12664 can be evenly divided by 1 2 4 8 1,583 3,166 6,332 and 12,664, with no remainder.
Since 12,664 cannot be divided by just 1 and 12,664, it is not a prime number.