To determine if 3689 is a prime number or a composite number, we simply look at the factors for 3689.
If the factors of 3689 are only 3689 and 1, then we know that 3689 is a prime number. Otherwise, 3689 is a composite number.
To explain better, if 3689 is only divisible by 1 and 3689, then it is a prime number, and if 3689 is divisible by more than 3689 and 1, then it is a composite number.
The factors of 3689 are as follows:
1, 7, 17, 31, 119, 217, 527, 3689
Therefore, since 3689 is divisible by more than one and itself, the answer to the
question "Is 3689 prime or composite?" is highlighted in blue below.
composite
Is 3690 prime or composite?
OK. Now you know that 3689 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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