Q: Is 128,572 a Prime Number?
A: No, 128,572 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 128572 can be evenly divided by 1 2 4 32,143 64,286 and 128,572, with no remainder.
Since 128,572 cannot be divided by just 1 and 128,572, it is not a prime number.