Q: Is 667,624 a Prime Number?
A: No, 667,624 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 667624 can be evenly divided by 1 2 4 8 17 34 68 136 4,909 9,818 19,636 39,272 83,453 166,906 333,812 and 667,624, with no remainder.
Since 667,624 cannot be divided by just 1 and 667,624, it is not a prime number.