To determine if 9877 is a prime number or a composite number, we simply look at the factors for 9877.
If the factors of 9877 are only 9877 and 1, then we know that 9877 is a prime number. Otherwise, 9877 is a composite number.
To explain better, if 9877 is only divisible by 1 and 9877, then it is a prime number, and if 9877 is divisible by more than 9877 and 1, then it is a composite number.
The factors of 9877 are as follows:
1, 7, 17, 83, 119, 581, 1411, 9877
Therefore, since 9877 is divisible by more than one and itself, the answer to the
question "Is 9877 prime or composite?" is highlighted in blue below.
composite
Is 9878 prime or composite?
OK. Now you know that 9877 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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