To determine if 1379 is a prime number or a composite number, we simply look at the factors for 1379.
If the factors of 1379 are only 1379 and 1, then we know that 1379 is a prime number. Otherwise, 1379 is a composite number.
To explain better, if 1379 is only divisible by 1 and 1379, then it is a prime number, and if 1379 is divisible by more than 1379 and 1, then it is a composite number.
The factors of 1379 are as follows:
1, 7, 197, 1379
Therefore, since 1379 is divisible by more than one and itself, the answer to the
question "Is 1379 prime or composite?" is highlighted in blue below.
composite
Is 1380 prime or composite?
OK. Now you know that 1379 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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