To determine if 5121 is a prime number or a composite number, we simply look at the factors for 5121.
If the factors of 5121 are only 5121 and 1, then we know that 5121 is a prime number. Otherwise, 5121 is a composite number.
To explain better, if 5121 is only divisible by 1 and 5121, then it is a prime number, and if 5121 is divisible by more than 5121 and 1, then it is a composite number.
The factors of 5121 are as follows:
1, 3, 9, 569, 1707, 5121
Therefore, since 5121 is divisible by more than one and itself, the answer to the
question "Is 5121 prime or composite?" is highlighted in blue below.
composite
Is 5122 prime or composite?
OK. Now you know that 5121 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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