Q: Is 1,000,678 a Prime Number?
A: No, 1,000,678 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 1000678 can be evenly divided by 1 2 7 14 49 98 10,211 20,422 71,477 142,954 500,339 and 1,000,678, with no remainder.
Since 1,000,678 cannot be divided by just 1 and 1,000,678, it is not a prime number.