Q: Is 678,124 a Prime Number?
A: No, 678,124 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 678124 can be evenly divided by 1 2 4 169,531 339,062 and 678,124, with no remainder.
Since 678,124 cannot be divided by just 1 and 678,124, it is not a prime number.