Q: Is 128,265 a Prime Number?
A: No, 128,265 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 128265 can be evenly divided by 1 3 5 15 17 51 85 255 503 1,509 2,515 7,545 8,551 25,653 42,755 and 128,265, with no remainder.
Since 128,265 cannot be divided by just 1 and 128,265, it is not a prime number.