To determine if 1537 is a prime number or a composite number, we simply look at the factors for 1537.
If the factors of 1537 are only 1537 and 1, then we know that 1537 is a prime number. Otherwise, 1537 is a composite number.
To explain better, if 1537 is only divisible by 1 and 1537, then it is a prime number, and if 1537 is divisible by more than 1537 and 1, then it is a composite number.
The factors of 1537 are as follows:
1, 29, 53, 1537
Therefore, since 1537 is divisible by more than one and itself, the answer to the
question "Is 1537 prime or composite?" is highlighted in blue below.
composite
Is 1538 prime or composite?
OK. Now you know that 1537 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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