To determine if 4390 is a prime number or a composite number, we simply look at the factors for 4390.
If the factors of 4390 are only 4390 and 1, then we know that 4390 is a prime number. Otherwise, 4390 is a composite number.
To explain better, if 4390 is only divisible by 1 and 4390, then it is a prime number, and if 4390 is divisible by more than 4390 and 1, then it is a composite number.
The factors of 4390 are as follows:
1, 2, 5, 10, 439, 878, 2195, 4390
Therefore, since 4390 is divisible by more than one and itself, the answer to the
question "Is 4390 prime or composite?" is highlighted in blue below.
composite
Is 4391 prime or composite?
OK. Now you know that 4390 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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