To determine if 5555 is a prime number or a composite number, we simply look at the factors for 5555.
If the factors of 5555 are only 5555 and 1, then we know that 5555 is a prime number. Otherwise, 5555 is a composite number.
To explain better, if 5555 is only divisible by 1 and 5555, then it is a prime number, and if 5555 is divisible by more than 5555 and 1, then it is a composite number.
The factors of 5555 are as follows:
1, 5, 11, 55, 101, 505, 1111, 5555
Therefore, since 5555 is divisible by more than one and itself, the answer to the
question "Is 5555 prime or composite?" is highlighted in blue below.
composite
Is 5556 prime or composite?
OK. Now you know that 5555 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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