To determine if 7869 is a prime number or a composite number, we simply look at the factors for 7869.
If the factors of 7869 are only 7869 and 1, then we know that 7869 is a prime number. Otherwise, 7869 is a composite number.
To explain better, if 7869 is only divisible by 1 and 7869, then it is a prime number, and if 7869 is divisible by more than 7869 and 1, then it is a composite number.
The factors of 7869 are as follows:
1, 3, 43, 61, 129, 183, 2623, 7869
Therefore, since 7869 is divisible by more than one and itself, the answer to the
question "Is 7869 prime or composite?" is highlighted in blue below.
composite
Is 7870 prime or composite?
OK. Now you know that 7869 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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