To determine if 6555 is a prime number or a composite number, we simply look at the factors for 6555.
If the factors of 6555 are only 6555 and 1, then we know that 6555 is a prime number. Otherwise, 6555 is a composite number.
To explain better, if 6555 is only divisible by 1 and 6555, then it is a prime number, and if 6555 is divisible by more than 6555 and 1, then it is a composite number.
The factors of 6555 are as follows:
1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 6555
Therefore, since 6555 is divisible by more than one and itself, the answer to the
question "Is 6555 prime or composite?" is highlighted in blue below.
composite
Is 6556 prime or composite?
OK. Now you know that 6555 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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