Q: Is 6,721,016 a Prime Number?
A: No, 6,721,016 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 6721016 can be evenly divided by 1 2 4 8 227 454 908 1,816 3,701 7,402 14,804 29,608 840,127 1,680,254 3,360,508 and 6,721,016, with no remainder.
Since 6,721,016 cannot be divided by just 1 and 6,721,016, it is not a prime number.