To determine if 6540 is a prime number or a composite number, we simply look at the factors for 6540.
If the factors of 6540 are only 6540 and 1, then we know that 6540 is a prime number. Otherwise, 6540 is a composite number.
To explain better, if 6540 is only divisible by 1 and 6540, then it is a prime number, and if 6540 is divisible by more than 6540 and 1, then it is a composite number.
The factors of 6540 are as follows:
1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 3270, 6540
Therefore, since 6540 is divisible by more than one and itself, the answer to the
question "Is 6540 prime or composite?" is highlighted in blue below.
composite
Is 6541 prime or composite?
OK. Now you know that 6540 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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