To determine if 6389 is a prime number or a composite number, we simply look at the factors for 6389.
If the factors of 6389 are only 6389 and 1, then we know that 6389 is a prime number. Otherwise, 6389 is a composite number.
To explain better, if 6389 is only divisible by 1 and 6389, then it is a prime number, and if 6389 is divisible by more than 6389 and 1, then it is a composite number.
The factors of 6389 are as follows:
1, 6389
Therefore, since 6389 is divisible by only one and itself, the answer to the
question "Is 6389 prime or composite?" is highlighted in blue below.
prime
Is 6390 prime or composite?
OK. Now you know that 6389 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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