To determine if 6445 is a prime number or a composite number, we simply look at the factors for 6445.
If the factors of 6445 are only 6445 and 1, then we know that 6445 is a prime number. Otherwise, 6445 is a composite number.
To explain better, if 6445 is only divisible by 1 and 6445, then it is a prime number, and if 6445 is divisible by more than 6445 and 1, then it is a composite number.
The factors of 6445 are as follows:
1, 5, 1289, 6445
Therefore, since 6445 is divisible by more than one and itself, the answer to the
question "Is 6445 prime or composite?" is highlighted in blue below.
composite
Is 6446 prime or composite?
OK. Now you know that 6445 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.
|
|
