To determine if 6430 is a prime number or a composite number, we simply look at the factors for 6430.
If the factors of 6430 are only 6430 and 1, then we know that 6430 is a prime number. Otherwise, 6430 is a composite number.
To explain better, if 6430 is only divisible by 1 and 6430, then it is a prime number, and if 6430 is divisible by more than 6430 and 1, then it is a composite number.
The factors of 6430 are as follows:
1, 2, 5, 10, 643, 1286, 3215, 6430
Therefore, since 6430 is divisible by more than one and itself, the answer to the
question "Is 6430 prime or composite?" is highlighted in blue below.
composite
Is 6431 prime or composite?
OK. Now you know that 6430 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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