To determine if 310 is a prime number or a composite number, we simply look at the factors for 310.
If the factors of 310 are only 310 and 1, then we know that 310 is a prime number. Otherwise, 310 is a composite number.
To explain better, if 310 is only divisible by 1 and 310, then it is a prime number, and if 310 is divisible by more than 310 and 1, then it is a composite number.
The factors of 310 are as follows:
1, 2, 5, 10, 31, 62, 155, 310
Therefore, since 310 is divisible by more than one and itself, the answer to the
question "Is 310 prime or composite?" is highlighted in blue below.
composite
Is 311 prime or composite?
OK. Now you know that 310 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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