Q: Is 1,680,128 a Prime Number?
A: No, 1,680,128 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 1680128 can be evenly divided by 1 2 4 8 16 32 64 128 256 6,563 13,126 26,252 52,504 105,008 210,016 420,032 840,064 and 1,680,128, with no remainder.
Since 1,680,128 cannot be divided by just 1 and 1,680,128, it is not a prime number.