To determine if 1963 is a prime number or a composite number, we simply look at the factors for 1963.
If the factors of 1963 are only 1963 and 1, then we know that 1963 is a prime number. Otherwise, 1963 is a composite number.
To explain better, if 1963 is only divisible by 1 and 1963, then it is a prime number, and if 1963 is divisible by more than 1963 and 1, then it is a composite number.
The factors of 1963 are as follows:
1, 13, 151, 1963
Therefore, since 1963 is divisible by more than one and itself, the answer to the
question "Is 1963 prime or composite?" is highlighted in blue below.
composite
Is 1964 prime or composite?
OK. Now you know that 1963 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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