To determine if 7643 is a prime number or a composite number, we simply look at the factors for 7643.
If the factors of 7643 are only 7643 and 1, then we know that 7643 is a prime number. Otherwise, 7643 is a composite number.
To explain better, if 7643 is only divisible by 1 and 7643, then it is a prime number, and if 7643 is divisible by more than 7643 and 1, then it is a composite number.
The factors of 7643 are as follows:
1, 7643
Therefore, since 7643 is divisible by only one and itself, the answer to the
question "Is 7643 prime or composite?" is highlighted in blue below.
prime
Is 7644 prime or composite?
OK. Now you know that 7643 is a prime 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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