To determine if 1679 is a prime number or a composite number, we simply look at the factors for 1679.
If the factors of 1679 are only 1679 and 1, then we know that 1679 is a prime number. Otherwise, 1679 is a composite number.
To explain better, if 1679 is only divisible by 1 and 1679, then it is a prime number, and if 1679 is divisible by more than 1679 and 1, then it is a composite number.
The factors of 1679 are as follows:
1, 23, 73, 1679
Therefore, since 1679 is divisible by more than one and itself, the answer to the
question "Is 1679 prime or composite?" is highlighted in blue below.
composite
Is 1680 prime or composite?
OK. Now you know that 1679 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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