Q: Is 1,616,784 a Prime Number?
A: No, 1,616,784 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 1616784 can be evenly divided by 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 2,591 5,182 7,773 10,364 15,546 20,728 31,092 33,683 41,456 62,184 67,366 101,049 124,368 134,732 202,098 269,464 404,196 538,928 808,392 and 1,616,784, with no remainder.
Since 1,616,784 cannot be divided by just 1 and 1,616,784, it is not a prime number.