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Is 1209 prime or composite?


To determine if 1209 is a prime number or a composite number, we simply look at the factors for 1209.

If the factors of 1209 are only 1209 and 1, then we know that 1209 is a prime number. Otherwise, 1209 is a composite number.

To explain better, if 1209 is only divisible by 1 and 1209, then it is a prime number, and if 1209 is divisible by more than 1209 and 1, then it is a composite number.

The factors of 1209 are as follows:

1, 3, 13, 31, 39, 93, 403, 1209

Therefore, since 1209 is divisible by more than one and itself, the answer to the question "Is 1209 prime or composite?" is highlighted in blue below.

composite


Is 1210 prime or composite?
OK. Now you know that 1209 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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