To determine if 5581 is a prime number or a composite number, we simply look at the factors for 5581.
If the factors of 5581 are only 5581 and 1, then we know that 5581 is a prime number. Otherwise, 5581 is a composite number.
To explain better, if 5581 is only divisible by 1 and 5581, then it is a prime number, and if 5581 is divisible by more than 5581 and 1, then it is a composite number.
The factors of 5581 are as follows:
1, 5581
Therefore, since 5581 is divisible by only one and itself, the answer to the
question "Is 5581 prime or composite?" is highlighted in blue below.
prime
Is 5582 prime or composite?
OK. Now you know that 5581 is a prime 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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