To determine if 1211 is a prime number or a composite number, we simply look at the factors for 1211.
If the factors of 1211 are only 1211 and 1, then we know that 1211 is a prime number. Otherwise, 1211 is a composite number.
To explain better, if 1211 is only divisible by 1 and 1211, then it is a prime number, and if 1211 is divisible by more than 1211 and 1, then it is a composite number.
The factors of 1211 are as follows:
1, 7, 173, 1211
Therefore, since 1211 is divisible by more than one and itself, the answer to the
question "Is 1211 prime or composite?" is highlighted in blue below.
composite
Is 1212 prime or composite?
OK. Now you know that 1211 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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