Q: Is 1,678,121 a Prime Number?
A: No, 1,678,121 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 1678121 can be evenly divided by 1 17 98,713 and 1,678,121, with no remainder.
Since 1,678,121 cannot be divided by just 1 and 1,678,121, it is not a prime number.