To determine if 5420 is a prime number or a composite number, we simply look at the factors for 5420.
If the factors of 5420 are only 5420 and 1, then we know that 5420 is a prime number. Otherwise, 5420 is a composite number.
To explain better, if 5420 is only divisible by 1 and 5420, then it is a prime number, and if 5420 is divisible by more than 5420 and 1, then it is a composite number.
The factors of 5420 are as follows:
1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420
Therefore, since 5420 is divisible by more than one and itself, the answer to the
question "Is 5420 prime or composite?" is highlighted in blue below.
composite
Is 5421 prime or composite?
OK. Now you know that 5420 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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