Q: Is 840,987 a Prime Number?
A: No, 840,987 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 840987 can be evenly divided by 1 3 7 9 21 49 63 147 441 1,907 5,721 13,349 17,163 40,047 93,443 120,141 280,329 and 840,987, with no remainder.
Since 840,987 cannot be divided by just 1 and 840,987, it is not a prime number.