To determine if 7856 is a prime number or a composite number, we simply look at the factors for 7856.
If the factors of 7856 are only 7856 and 1, then we know that 7856 is a prime number. Otherwise, 7856 is a composite number.
To explain better, if 7856 is only divisible by 1 and 7856, then it is a prime number, and if 7856 is divisible by more than 7856 and 1, then it is a composite number.
The factors of 7856 are as follows:
1, 2, 4, 8, 16, 491, 982, 1964, 3928, 7856
Therefore, since 7856 is divisible by more than one and itself, the answer to the
question "Is 7856 prime or composite?" is highlighted in blue below.
composite
Is 7857 prime or composite?
OK. Now you know that 7856 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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