Q: Is 20,945 a Prime Number?
A: No, 20,945 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 20945 can be evenly divided by 1 5 59 71 295 355 4,189 and 20,945, with no remainder.
Since 20,945 cannot be divided by just 1 and 20,945, it is not a prime number.