To determine if 3500 is a prime number or a composite number, we simply look at the factors for 3500.
If the factors of 3500 are only 3500 and 1, then we know that 3500 is a prime number. Otherwise, 3500 is a composite number.
To explain better, if 3500 is only divisible by 1 and 3500, then it is a prime number, and if 3500 is divisible by more than 3500 and 1, then it is a composite number.
The factors of 3500 are as follows:
1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500
Therefore, since 3500 is divisible by more than one and itself, the answer to the
question "Is 3500 prime or composite?" is highlighted in blue below.
composite
Is 3501 prime or composite?
OK. Now you know that 3500 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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