Q: Is 521,042 a Prime Number?
A: No, 521,042 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 521042 can be evenly divided by 1 2 23 46 47 94 241 482 1,081 2,162 5,543 11,086 11,327 22,654 260,521 and 521,042, with no remainder.
Since 521,042 cannot be divided by just 1 and 521,042, it is not a prime number.