To determine if 1544 is a prime number or a composite number, we simply look at the factors for 1544.
If the factors of 1544 are only 1544 and 1, then we know that 1544 is a prime number. Otherwise, 1544 is a composite number.
To explain better, if 1544 is only divisible by 1 and 1544, then it is a prime number, and if 1544 is divisible by more than 1544 and 1, then it is a composite number.
The factors of 1544 are as follows:
1, 2, 4, 8, 193, 386, 772, 1544
Therefore, since 1544 is divisible by more than one and itself, the answer to the
question "Is 1544 prime or composite?" is highlighted in blue below.
composite
Is 1545 prime or composite?
OK. Now you know that 1544 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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