To determine if 8379 is a prime number or a composite number, we simply look at the factors for 8379.
If the factors of 8379 are only 8379 and 1, then we know that 8379 is a prime number. Otherwise, 8379 is a composite number.
To explain better, if 8379 is only divisible by 1 and 8379, then it is a prime number, and if 8379 is divisible by more than 8379 and 1, then it is a composite number.
The factors of 8379 are as follows:
1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379
Therefore, since 8379 is divisible by more than one and itself, the answer to the
question "Is 8379 prime or composite?" is highlighted in blue below.
composite
Is 8380 prime or composite?
OK. Now you know that 8379 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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