Q: Is 128,502 a Prime Number?
A: No, 128,502 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 128502 can be evenly divided by 1 2 3 6 9 11 18 22 33 59 66 99 118 121 177 198 242 354 363 531 649 726 1,062 1,089 1,298 1,947 2,178 3,894 5,841 7,139 11,682 14,278 21,417 42,834 64,251 and 128,502, with no remainder.
Since 128,502 cannot be divided by just 1 and 128,502, it is not a prime number.