To determine if 9819 is a prime number or a composite number, we simply look at the factors for 9819.
If the factors of 9819 are only 9819 and 1, then we know that 9819 is a prime number. Otherwise, 9819 is a composite number.
To explain better, if 9819 is only divisible by 1 and 9819, then it is a prime number, and if 9819 is divisible by more than 9819 and 1, then it is a composite number.
The factors of 9819 are as follows:
1, 3, 9, 1091, 3273, 9819
Therefore, since 9819 is divisible by more than one and itself, the answer to the
question "Is 9819 prime or composite?" is highlighted in blue below.
composite
Is 9820 prime or composite?
OK. Now you know that 9819 is a composite number. Use our logic above and see if
you can figure out if the next number on our list is prime or composite before you check your answer.
|
|
