To determine if 1871 is a prime number or a composite number, we simply look at the factors for 1871.
If the factors of 1871 are only 1871 and 1, then we know that 1871 is a prime number. Otherwise, 1871 is a composite number.
To explain better, if 1871 is only divisible by 1 and 1871, then it is a prime number, and if 1871 is divisible by more than 1871 and 1, then it is a composite number.
The factors of 1871 are as follows:
1, 1871
Therefore, since 1871 is divisible by only one and itself, the answer to the
question "Is 1871 prime or composite?" is highlighted in blue below.
prime
Is 1872 prime or composite?
OK. Now you know that 1871 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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