Q: Is 647,120 a Prime Number?
A: No, 647,120 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 647120 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 8,089 16,178 32,356 40,445 64,712 80,890 129,424 161,780 323,560 and 647,120, with no remainder.
Since 647,120 cannot be divided by just 1 and 647,120, it is not a prime number.