To determine if 775 is a prime number or a composite number, we simply look at the factors for 775.
If the factors of 775 are only 775 and 1, then we know that 775 is a prime number. Otherwise, 775 is a composite number.
To explain better, if 775 is only divisible by 1 and 775, then it is a prime number, and if 775 is divisible by more than 775 and 1, then it is a composite number.
The factors of 775 are as follows:
1, 5, 25, 31, 155, 775
Therefore, since 775 is divisible by more than one and itself, the answer to the
question "Is 775 prime or composite?" is highlighted in blue below.
composite
Is 776 prime or composite?
OK. Now you know that 775 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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