To determine if 1787 is a prime number or a composite number, we simply look at the factors for 1787.
If the factors of 1787 are only 1787 and 1, then we know that 1787 is a prime number. Otherwise, 1787 is a composite number.
To explain better, if 1787 is only divisible by 1 and 1787, then it is a prime number, and if 1787 is divisible by more than 1787 and 1, then it is a composite number.
The factors of 1787 are as follows:
1, 1787
Therefore, since 1787 is divisible by only one and itself, the answer to the
question "Is 1787 prime or composite?" is highlighted in blue below.
prime
Is 1788 prime or composite?
OK. Now you know that 1787 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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