Q: Is 20,984 a Prime Number?
A: No, 20,984 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 20984 can be evenly divided by 1 2 4 8 43 61 86 122 172 244 344 488 2,623 5,246 10,492 and 20,984, with no remainder.
Since 20,984 cannot be divided by just 1 and 20,984, it is not a prime number.