Q: Is 1,616,728 a Prime Number?
A: No, 1,616,728 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 1616728 can be evenly divided by 1 2 4 8 179 358 716 1,129 1,432 2,258 4,516 9,032 202,091 404,182 808,364 and 1,616,728, with no remainder.
Since 1,616,728 cannot be divided by just 1 and 1,616,728, it is not a prime number.