To determine if 50 is a prime number or a composite number, we simply look at the factors for 50.
If the factors of 50 are only 50 and 1, then we know that 50 is a prime number. Otherwise, 50 is a composite number.
To explain better, if 50 is only divisible by 1 and 50, then it is a prime number, and if 50 is divisible by more than 50 and 1, then it is a composite number.
The factors of 50 are as follows:
1, 2, 5, 10, 25, 50
Therefore, since 50 is divisible by more than one and itself, the answer to the
question "Is 50 prime or composite?" is highlighted in blue below.
composite
Is 51 prime or composite?
OK. Now you know that 50 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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