Q: Is 128,765 a Prime Number?
A: No, 128,765 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 128765 can be evenly divided by 1 5 7 13 35 65 91 283 455 1,415 1,981 3,679 9,905 18,395 25,753 and 128,765, with no remainder.
Since 128,765 cannot be divided by just 1 and 128,765, it is not a prime number.