To determine if 1684 is a prime number or a composite number, we simply look at the factors for 1684.
If the factors of 1684 are only 1684 and 1, then we know that 1684 is a prime number. Otherwise, 1684 is a composite number.
To explain better, if 1684 is only divisible by 1 and 1684, then it is a prime number, and if 1684 is divisible by more than 1684 and 1, then it is a composite number.
The factors of 1684 are as follows:
1, 2, 4, 421, 842, 1684
Therefore, since 1684 is divisible by more than one and itself, the answer to the
question "Is 1684 prime or composite?" is highlighted in blue below.
composite
Is 1685 prime or composite?
OK. Now you know that 1684 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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