To determine if 7191 is a prime number or a composite number, we simply look at the factors for 7191.
If the factors of 7191 are only 7191 and 1, then we know that 7191 is a prime number. Otherwise, 7191 is a composite number.
To explain better, if 7191 is only divisible by 1 and 7191, then it is a prime number, and if 7191 is divisible by more than 7191 and 1, then it is a composite number.
The factors of 7191 are as follows:
1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 7191
Therefore, since 7191 is divisible by more than one and itself, the answer to the
question "Is 7191 prime or composite?" is highlighted in blue below.
composite
Is 7192 prime or composite?
OK. Now you know that 7191 is a composite 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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