Q: Is 4,042,540 a Prime Number?
A: No, 4,042,540 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 4042540 can be evenly divided by 1 2 4 5 10 20 202,127 404,254 808,508 1,010,635 2,021,270 and 4,042,540, with no remainder.
Since 4,042,540 cannot be divided by just 1 and 4,042,540, it is not a prime number.