Q: Is 121,569 a Prime Number?
A: No, 121,569 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 121569 can be evenly divided by 1 3 7 21 49 147 827 2,481 5,789 17,367 40,523 and 121,569, with no remainder.
Since 121,569 cannot be divided by just 1 and 121,569, it is not a prime number.