To determine if 1636 is a prime number or a composite number, we simply look at the factors for 1636.
If the factors of 1636 are only 1636 and 1, then we know that 1636 is a prime number. Otherwise, 1636 is a composite number.
To explain better, if 1636 is only divisible by 1 and 1636, then it is a prime number, and if 1636 is divisible by more than 1636 and 1, then it is a composite number.
The factors of 1636 are as follows:
1, 2, 4, 409, 818, 1636
Therefore, since 1636 is divisible by more than one and itself, the answer to the
question "Is 1636 prime or composite?" is highlighted in blue below.
composite
Is 1637 prime or composite?
OK. Now you know that 1636 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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