To determine if 1529 is a prime number or a composite number, we simply look at the factors for 1529.
If the factors of 1529 are only 1529 and 1, then we know that 1529 is a prime number. Otherwise, 1529 is a composite number.
To explain better, if 1529 is only divisible by 1 and 1529, then it is a prime number, and if 1529 is divisible by more than 1529 and 1, then it is a composite number.
The factors of 1529 are as follows:
1, 11, 139, 1529
Therefore, since 1529 is divisible by more than one and itself, the answer to the
question "Is 1529 prime or composite?" is highlighted in blue below.
composite
Is 1530 prime or composite?
OK. Now you know that 1529 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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