To determine if 2400 is a prime number or a composite number, we simply look at the factors for 2400.
If the factors of 2400 are only 2400 and 1, then we know that 2400 is a prime number. Otherwise, 2400 is a composite number.
To explain better, if 2400 is only divisible by 1 and 2400, then it is a prime number, and if 2400 is divisible by more than 2400 and 1, then it is a composite number.
The factors of 2400 are as follows:
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 800, 1200, 2400
Therefore, since 2400 is divisible by more than one and itself, the answer to the
question "Is 2400 prime or composite?" is highlighted in blue below.
composite
Is 2401 prime or composite?
OK. Now you know that 2400 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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