To determine if 8100 is a prime number or a composite number, we simply look at the factors for 8100.
If the factors of 8100 are only 8100 and 1, then we know that 8100 is a prime number. Otherwise, 8100 is a composite number.
To explain better, if 8100 is only divisible by 1 and 8100, then it is a prime number, and if 8100 is divisible by more than 8100 and 1, then it is a composite number.
The factors of 8100 are as follows:
1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100
Therefore, since 8100 is divisible by more than one and itself, the answer to the
question "Is 8100 prime or composite?" is highlighted in blue below.
composite
Is 8101 prime or composite?
OK. Now you know that 8100 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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