Q: Is 20,488 a Prime Number?
A: No, 20,488 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 20488 can be evenly divided by 1 2 4 8 13 26 52 104 197 394 788 1,576 2,561 5,122 10,244 and 20,488, with no remainder.
Since 20,488 cannot be divided by just 1 and 20,488, it is not a prime number.