To determine if 779 is a prime number or a composite number, we simply look at the factors for 779.
If the factors of 779 are only 779 and 1, then we know that 779 is a prime number. Otherwise, 779 is a composite number.
To explain better, if 779 is only divisible by 1 and 779, then it is a prime number, and if 779 is divisible by more than 779 and 1, then it is a composite number.
The factors of 779 are as follows:
1, 19, 41, 779
Therefore, since 779 is divisible by more than one and itself, the answer to the
question "Is 779 prime or composite?" is highlighted in blue below.
composite
Is 780 prime or composite?
OK. Now you know that 779 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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