To determine if 7945 is a prime number or a composite number, we simply look at the factors for 7945.
If the factors of 7945 are only 7945 and 1, then we know that 7945 is a prime number. Otherwise, 7945 is a composite number.
To explain better, if 7945 is only divisible by 1 and 7945, then it is a prime number, and if 7945 is divisible by more than 7945 and 1, then it is a composite number.
The factors of 7945 are as follows:
1, 5, 7, 35, 227, 1135, 1589, 7945
Therefore, since 7945 is divisible by more than one and itself, the answer to the
question "Is 7945 prime or composite?" is highlighted in blue below.
composite
Is 7946 prime or composite?
OK. Now you know that 7945 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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