Q: Is 20,876 a Prime Number?
A: No, 20,876 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 20876 can be evenly divided by 1 2 4 17 34 68 307 614 1,228 5,219 10,438 and 20,876, with no remainder.
Since 20,876 cannot be divided by just 1 and 20,876, it is not a prime number.