To determine if 3890 is a prime number or a composite number, we simply look at the factors for 3890.
If the factors of 3890 are only 3890 and 1, then we know that 3890 is a prime number. Otherwise, 3890 is a composite number.
To explain better, if 3890 is only divisible by 1 and 3890, then it is a prime number, and if 3890 is divisible by more than 3890 and 1, then it is a composite number.
The factors of 3890 are as follows:
1, 2, 5, 10, 389, 778, 1945, 3890
Therefore, since 3890 is divisible by more than one and itself, the answer to the
question "Is 3890 prime or composite?" is highlighted in blue below.
composite
Is 3891 prime or composite?
OK. Now you know that 3890 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.
|
|
