Q: Is 1,684,071 a Prime Number?
A: No, 1,684,071 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 1684071 can be evenly divided by 1 3 9 17 27 51 81 153 459 1,223 1,377 3,669 11,007 20,791 33,021 62,373 99,063 187,119 561,357 and 1,684,071, with no remainder.
Since 1,684,071 cannot be divided by just 1 and 1,684,071, it is not a prime number.