Q: Is 20,601 a Prime Number?
A: No, 20,601 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 20601 can be evenly divided by 1 3 7 9 21 27 63 109 189 327 763 981 2,289 2,943 6,867 and 20,601, with no remainder.
Since 20,601 cannot be divided by just 1 and 20,601, it is not a prime number.