Q: Is 669,665 a Prime Number?
A: No, 669,665 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 669665 can be evenly divided by 1 5 67 335 1,999 9,995 133,933 and 669,665, with no remainder.
Since 669,665 cannot be divided by just 1 and 669,665, it is not a prime number.