Q: Is 1,678,008 a Prime Number?
A: No, 1,678,008 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 1678008 can be evenly divided by 1 2 3 4 6 8 12 24 139 278 417 503 556 834 1,006 1,112 1,509 1,668 2,012 3,018 3,336 4,024 6,036 12,072 69,917 139,834 209,751 279,668 419,502 559,336 839,004 and 1,678,008, with no remainder.
Since 1,678,008 cannot be divided by just 1 and 1,678,008, it is not a prime number.