To determine if 3821 is a prime number or a composite number, we simply look at the factors for 3821.
If the factors of 3821 are only 3821 and 1, then we know that 3821 is a prime number. Otherwise, 3821 is a composite number.
To explain better, if 3821 is only divisible by 1 and 3821, then it is a prime number, and if 3821 is divisible by more than 3821 and 1, then it is a composite number.
The factors of 3821 are as follows:
1, 3821
Therefore, since 3821 is divisible by only one and itself, the answer to the
question "Is 3821 prime or composite?" is highlighted in blue below.
prime
Is 3822 prime or composite?
OK. Now you know that 3821 is a prime 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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