To determine if 9918 is a prime number or a composite number, we simply look at the factors for 9918.
If the factors of 9918 are only 9918 and 1, then we know that 9918 is a prime number. Otherwise, 9918 is a composite number.
To explain better, if 9918 is only divisible by 1 and 9918, then it is a prime number, and if 9918 is divisible by more than 9918 and 1, then it is a composite number.
The factors of 9918 are as follows:
1, 2, 3, 6, 9, 18, 19, 29, 38, 57, 58, 87, 114, 171, 174, 261, 342, 522, 551, 1102, 1653, 3306, 4959, 9918
Therefore, since 9918 is divisible by more than one and itself, the answer to the
question "Is 9918 prime or composite?" is highlighted in blue below.
composite
Is 9919 prime or composite?
OK. Now you know that 9918 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.
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