To determine if 1663 is a prime number or a composite number, we simply look at the factors for 1663.
If the factors of 1663 are only 1663 and 1, then we know that 1663 is a prime number. Otherwise, 1663 is a composite number.
To explain better, if 1663 is only divisible by 1 and 1663, then it is a prime number, and if 1663 is divisible by more than 1663 and 1, then it is a composite number.
The factors of 1663 are as follows:
1, 1663
Therefore, since 1663 is divisible by only one and itself, the answer to the
question "Is 1663 prime or composite?" is highlighted in blue below.
prime
Is 1664 prime or composite?
OK. Now you know that 1663 is a prime 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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