To determine if 837 is a prime number or a composite number, we simply look at the factors for 837.
If the factors of 837 are only 837 and 1, then we know that 837 is a prime number. Otherwise, 837 is a composite number.
To explain better, if 837 is only divisible by 1 and 837, then it is a prime number, and if 837 is divisible by more than 837 and 1, then it is a composite number.
The factors of 837 are as follows:
1, 3, 9, 27, 31, 93, 279, 837
Therefore, since 837 is divisible by more than one and itself, the answer to the
question "Is 837 prime or composite?" is highlighted in blue below.
composite
Is 838 prime or composite?
OK. Now you know that 837 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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