To determine if 1109 is a prime number or a composite number, we simply look at the factors for 1109.
If the factors of 1109 are only 1109 and 1, then we know that 1109 is a prime number. Otherwise, 1109 is a composite number.
To explain better, if 1109 is only divisible by 1 and 1109, then it is a prime number, and if 1109 is divisible by more than 1109 and 1, then it is a composite number.
The factors of 1109 are as follows:
1, 1109
Therefore, since 1109 is divisible by only one and itself, the answer to the
question "Is 1109 prime or composite?" is highlighted in blue below.
prime
Is 1110 prime or composite?
OK. Now you know that 1109 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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