To determine if 1670 is a prime number or a composite number, we simply look at the factors for 1670.
If the factors of 1670 are only 1670 and 1, then we know that 1670 is a prime number. Otherwise, 1670 is a composite number.
To explain better, if 1670 is only divisible by 1 and 1670, then it is a prime number, and if 1670 is divisible by more than 1670 and 1, then it is a composite number.
The factors of 1670 are as follows:
1, 2, 5, 10, 167, 334, 835, 1670
Therefore, since 1670 is divisible by more than one and itself, the answer to the
question "Is 1670 prime or composite?" is highlighted in blue below.
composite
Is 1671 prime or composite?
OK. Now you know that 1670 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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