To determine if 102 is a prime number or a composite number, we simply look at the factors for 102.
If the factors of 102 are only 102 and 1, then we know that 102 is a prime number. Otherwise, 102 is a composite number.
To explain better, if 102 is only divisible by 1 and 102, then it is a prime number, and if 102 is divisible by more than 102 and 1, then it is a composite number.
The factors of 102 are as follows:
1, 2, 3, 6, 17, 34, 51, 102
Therefore, since 102 is divisible by more than one and itself, the answer to the
question "Is 102 prime or composite?" is highlighted in blue below.
composite
Is 103 prime or composite?
OK. Now you know that 102 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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