To determine if 1629 is a prime number or a composite number, we simply look at the factors for 1629.
If the factors of 1629 are only 1629 and 1, then we know that 1629 is a prime number. Otherwise, 1629 is a composite number.
To explain better, if 1629 is only divisible by 1 and 1629, then it is a prime number, and if 1629 is divisible by more than 1629 and 1, then it is a composite number.
The factors of 1629 are as follows:
1, 3, 9, 181, 543, 1629
Therefore, since 1629 is divisible by more than one and itself, the answer to the
question "Is 1629 prime or composite?" is highlighted in blue below.
composite
Is 1630 prime or composite?
OK. Now you know that 1629 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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