To determine if 1253 is a prime number or a composite number, we simply look at the factors for 1253.
If the factors of 1253 are only 1253 and 1, then we know that 1253 is a prime number. Otherwise, 1253 is a composite number.
To explain better, if 1253 is only divisible by 1 and 1253, then it is a prime number, and if 1253 is divisible by more than 1253 and 1, then it is a composite number.
The factors of 1253 are as follows:
1, 7, 179, 1253
Therefore, since 1253 is divisible by more than one and itself, the answer to the
question "Is 1253 prime or composite?" is highlighted in blue below.
composite
Is 1254 prime or composite?
OK. Now you know that 1253 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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