Q: Is 20,387 a Prime Number?
A: No, 20,387 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 20387 can be evenly divided by 1 19 29 37 551 703 1,073 and 20,387, with no remainder.
Since 20,387 cannot be divided by just 1 and 20,387, it is not a prime number.