Q: Is 1,287,042 a Prime Number?
A: No, 1,287,042 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 1287042 can be evenly divided by 1 2 3 6 214,507 429,014 643,521 and 1,287,042, with no remainder.
Since 1,287,042 cannot be divided by just 1 and 1,287,042, it is not a prime number.