Q: Is 678,122 a Prime Number?
A: No, 678,122 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 678122 can be evenly divided by 1 2 409 818 829 1,658 339,061 and 678,122, with no remainder.
Since 678,122 cannot be divided by just 1 and 678,122, it is not a prime number.