To determine if 1653 is a prime number or a composite number, we simply look at the factors for 1653.
If the factors of 1653 are only 1653 and 1, then we know that 1653 is a prime number. Otherwise, 1653 is a composite number.
To explain better, if 1653 is only divisible by 1 and 1653, then it is a prime number, and if 1653 is divisible by more than 1653 and 1, then it is a composite number.
The factors of 1653 are as follows:
1, 3, 19, 29, 57, 87, 551, 1653
Therefore, since 1653 is divisible by more than one and itself, the answer to the
question "Is 1653 prime or composite?" is highlighted in blue below.
composite
Is 1654 prime or composite?
OK. Now you know that 1653 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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