Q: Is 666,042 a Prime Number?
A: No, 666,042 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 666042 can be evenly divided by 1 2 3 6 13 26 39 78 8,539 17,078 25,617 51,234 111,007 222,014 333,021 and 666,042, with no remainder.
Since 666,042 cannot be divided by just 1 and 666,042, it is not a prime number.