To determine if 2186 is a prime number or a composite number, we simply look at the factors for 2186.
If the factors of 2186 are only 2186 and 1, then we know that 2186 is a prime number. Otherwise, 2186 is a composite number.
To explain better, if 2186 is only divisible by 1 and 2186, then it is a prime number, and if 2186 is divisible by more than 2186 and 1, then it is a composite number.
The factors of 2186 are as follows:
1, 2, 1093, 2186
Therefore, since 2186 is divisible by more than one and itself, the answer to the
question "Is 2186 prime or composite?" is highlighted in blue below.
composite
Is 2187 prime or composite?
OK. Now you know that 2186 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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