Q: Is 1,242,042 a Prime Number?
A: No, 1,242,042 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 1242042 can be evenly divided by 1 2 3 6 137 274 411 822 1,511 3,022 4,533 9,066 207,007 414,014 621,021 and 1,242,042, with no remainder.
Since 1,242,042 cannot be divided by just 1 and 1,242,042, it is not a prime number.