To determine if 273 is a prime number or a composite number, we simply look at the factors for 273.
If the factors of 273 are only 273 and 1, then we know that 273 is a prime number. Otherwise, 273 is a composite number.
To explain better, if 273 is only divisible by 1 and 273, then it is a prime number, and if 273 is divisible by more than 273 and 1, then it is a composite number.
The factors of 273 are as follows:
1, 3, 7, 13, 21, 39, 91, 273
Therefore, since 273 is divisible by more than one and itself, the answer to the
question "Is 273 prime or composite?" is highlighted in blue below.
composite
Is 274 prime or composite?
OK. Now you know that 273 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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