To determine if 7866 is a prime number or a composite number, we simply look at the factors for 7866.
If the factors of 7866 are only 7866 and 1, then we know that 7866 is a prime number. Otherwise, 7866 is a composite number.
To explain better, if 7866 is only divisible by 1 and 7866, then it is a prime number, and if 7866 is divisible by more than 7866 and 1, then it is a composite number.
The factors of 7866 are as follows:
1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2622, 3933, 7866
Therefore, since 7866 is divisible by more than one and itself, the answer to the
question "Is 7866 prime or composite?" is highlighted in blue below.
composite
Is 7867 prime or composite?
OK. Now you know that 7866 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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