To determine if 803 is a prime number or a composite number, we simply look at the factors for 803.
If the factors of 803 are only 803 and 1, then we know that 803 is a prime number. Otherwise, 803 is a composite number.
To explain better, if 803 is only divisible by 1 and 803, then it is a prime number, and if 803 is divisible by more than 803 and 1, then it is a composite number.
The factors of 803 are as follows:
1, 11, 73, 803
Therefore, since 803 is divisible by more than one and itself, the answer to the
question "Is 803 prime or composite?" is highlighted in blue below.
composite
Is 804 prime or composite?
OK. Now you know that 803 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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