To determine if 3151 is a prime number or a composite number, we simply look at the factors for 3151.
If the factors of 3151 are only 3151 and 1, then we know that 3151 is a prime number. Otherwise, 3151 is a composite number.
To explain better, if 3151 is only divisible by 1 and 3151, then it is a prime number, and if 3151 is divisible by more than 3151 and 1, then it is a composite number.
The factors of 3151 are as follows:
1, 23, 137, 3151
Therefore, since 3151 is divisible by more than one and itself, the answer to the
question "Is 3151 prime or composite?" is highlighted in blue below.
composite
Is 3152 prime or composite?
OK. Now you know that 3151 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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