Q: Is 128,745 a Prime Number?
A: No, 128,745 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 128745 can be evenly divided by 1 3 5 9 15 45 2,861 8,583 14,305 25,749 42,915 and 128,745, with no remainder.
Since 128,745 cannot be divided by just 1 and 128,745, it is not a prime number.