To determine if 1913 is a prime number or a composite number, we simply look at the factors for 1913.
If the factors of 1913 are only 1913 and 1, then we know that 1913 is a prime number. Otherwise, 1913 is a composite number.
To explain better, if 1913 is only divisible by 1 and 1913, then it is a prime number, and if 1913 is divisible by more than 1913 and 1, then it is a composite number.
The factors of 1913 are as follows:
1, 1913
Therefore, since 1913 is divisible by only one and itself, the answer to the
question "Is 1913 prime or composite?" is highlighted in blue below.
prime
Is 1914 prime or composite?
OK. Now you know that 1913 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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