To determine if 186 is a prime number or a composite number, we simply look at the factors for 186.
If the factors of 186 are only 186 and 1, then we know that 186 is a prime number. Otherwise, 186 is a composite number.
To explain better, if 186 is only divisible by 1 and 186, then it is a prime number, and if 186 is divisible by more than 186 and 1, then it is a composite number.
The factors of 186 are as follows:
1, 2, 3, 6, 31, 62, 93, 186
Therefore, since 186 is divisible by more than one and itself, the answer to the
question "Is 186 prime or composite?" is highlighted in blue below.
composite
Is 187 prime or composite?
OK. Now you know that 186 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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