Q: Is 128,817 a Prime Number?
A: No, 128,817 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 128817 can be evenly divided by 1 3 9 13 27 39 117 351 367 1,101 3,303 4,771 9,909 14,313 42,939 and 128,817, with no remainder.
Since 128,817 cannot be divided by just 1 and 128,817, it is not a prime number.