To determine if 3647 is a prime number or a composite number, we simply look at the factors for 3647.
If the factors of 3647 are only 3647 and 1, then we know that 3647 is a prime number. Otherwise, 3647 is a composite number.
To explain better, if 3647 is only divisible by 1 and 3647, then it is a prime number, and if 3647 is divisible by more than 3647 and 1, then it is a composite number.
The factors of 3647 are as follows:
1, 7, 521, 3647
Therefore, since 3647 is divisible by more than one and itself, the answer to the
question "Is 3647 prime or composite?" is highlighted in blue below.
composite
Is 3648 prime or composite?
OK. Now you know that 3647 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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