Q: Is 840,872 a Prime Number?
A: No, 840,872 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 840872 can be evenly divided by 1 2 4 8 89 178 356 712 1,181 2,362 4,724 9,448 105,109 210,218 420,436 and 840,872, with no remainder.
Since 840,872 cannot be divided by just 1 and 840,872, it is not a prime number.