Q: Is 420,042 a Prime Number?
A: No, 420,042 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 420042 can be evenly divided by 1 2 3 6 7 14 21 42 73 137 146 219 274 411 438 511 822 959 1,022 1,533 1,918 2,877 3,066 5,754 10,001 20,002 30,003 60,006 70,007 140,014 210,021 and 420,042, with no remainder.
Since 420,042 cannot be divided by just 1 and 420,042, it is not a prime number.