To determine if 1630 is a prime number or a composite number, we simply look at the factors for 1630.
If the factors of 1630 are only 1630 and 1, then we know that 1630 is a prime number. Otherwise, 1630 is a composite number.
To explain better, if 1630 is only divisible by 1 and 1630, then it is a prime number, and if 1630 is divisible by more than 1630 and 1, then it is a composite number.
The factors of 1630 are as follows:
1, 2, 5, 10, 163, 326, 815, 1630
Therefore, since 1630 is divisible by more than one and itself, the answer to the
question "Is 1630 prime or composite?" is highlighted in blue below.
composite
Is 1631 prime or composite?
OK. Now you know that 1630 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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