Q: Is 210,042 a Prime Number?
A: No, 210,042 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 210042 can be evenly divided by 1 2 3 6 7 9 14 18 21 42 63 126 1,667 3,334 5,001 10,002 11,669 15,003 23,338 30,006 35,007 70,014 105,021 and 210,042, with no remainder.
Since 210,042 cannot be divided by just 1 and 210,042, it is not a prime number.