Q: Is 1,628,672 a Prime Number?
A: No, 1,628,672 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 1628672 can be evenly divided by 1 2 4 8 16 32 64 128 256 512 3,181 6,362 12,724 25,448 50,896 101,792 203,584 407,168 814,336 and 1,628,672, with no remainder.
Since 1,628,672 cannot be divided by just 1 and 1,628,672, it is not a prime number.