To determine if 7628 is a prime number or a composite number, we simply look at the factors for 7628.
If the factors of 7628 are only 7628 and 1, then we know that 7628 is a prime number. Otherwise, 7628 is a composite number.
To explain better, if 7628 is only divisible by 1 and 7628, then it is a prime number, and if 7628 is divisible by more than 7628 and 1, then it is a composite number.
The factors of 7628 are as follows:
1, 2, 4, 1907, 3814, 7628
Therefore, since 7628 is divisible by more than one and itself, the answer to the
question "Is 7628 prime or composite?" is highlighted in blue below.
composite
Is 7629 prime or composite?
OK. Now you know that 7628 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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