To determine if 4278 is a prime number or a composite number, we simply look at the factors for 4278.
If the factors of 4278 are only 4278 and 1, then we know that 4278 is a prime number. Otherwise, 4278 is a composite number.
To explain better, if 4278 is only divisible by 1 and 4278, then it is a prime number, and if 4278 is divisible by more than 4278 and 1, then it is a composite number.
The factors of 4278 are as follows:
1, 2, 3, 6, 23, 31, 46, 62, 69, 93, 138, 186, 713, 1426, 2139, 4278
Therefore, since 4278 is divisible by more than one and itself, the answer to the
question "Is 4278 prime or composite?" is highlighted in blue below.
composite
Is 4279 prime or composite?
OK. Now you know that 4278 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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