To determine if 3655 is a prime number or a composite number, we simply look at the factors for 3655.
If the factors of 3655 are only 3655 and 1, then we know that 3655 is a prime number. Otherwise, 3655 is a composite number.
To explain better, if 3655 is only divisible by 1 and 3655, then it is a prime number, and if 3655 is divisible by more than 3655 and 1, then it is a composite number.
The factors of 3655 are as follows:
1, 5, 17, 43, 85, 215, 731, 3655
Therefore, since 3655 is divisible by more than one and itself, the answer to the
question "Is 3655 prime or composite?" is highlighted in blue below.
composite
Is 3656 prime or composite?
OK. Now you know that 3655 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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