To determine if 1722 is a prime number or a composite number, we simply look at the factors for 1722.
If the factors of 1722 are only 1722 and 1, then we know that 1722 is a prime number. Otherwise, 1722 is a composite number.
To explain better, if 1722 is only divisible by 1 and 1722, then it is a prime number, and if 1722 is divisible by more than 1722 and 1, then it is a composite number.
The factors of 1722 are as follows:
1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722
Therefore, since 1722 is divisible by more than one and itself, the answer to the
question "Is 1722 prime or composite?" is highlighted in blue below.
composite
Is 1723 prime or composite?
OK. Now you know that 1722 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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