To determine if 4945 is a prime number or a composite number, we simply look at the factors for 4945.
If the factors of 4945 are only 4945 and 1, then we know that 4945 is a prime number. Otherwise, 4945 is a composite number.
To explain better, if 4945 is only divisible by 1 and 4945, then it is a prime number, and if 4945 is divisible by more than 4945 and 1, then it is a composite number.
The factors of 4945 are as follows:
1, 5, 23, 43, 115, 215, 989, 4945
Therefore, since 4945 is divisible by more than one and itself, the answer to the
question "Is 4945 prime or composite?" is highlighted in blue below.
composite
Is 4946 prime or composite?
OK. Now you know that 4945 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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