Q: Is 128,120 a Prime Number?
A: No, 128,120 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 128120 can be evenly divided by 1 2 4 5 8 10 20 40 3,203 6,406 12,812 16,015 25,624 32,030 64,060 and 128,120, with no remainder.
Since 128,120 cannot be divided by just 1 and 128,120, it is not a prime number.