To determine if 3618 is a prime number or a composite number, we simply look at the factors for 3618.
If the factors of 3618 are only 3618 and 1, then we know that 3618 is a prime number. Otherwise, 3618 is a composite number.
To explain better, if 3618 is only divisible by 1 and 3618, then it is a prime number, and if 3618 is divisible by more than 3618 and 1, then it is a composite number.
The factors of 3618 are as follows:
1, 2, 3, 6, 9, 18, 27, 54, 67, 134, 201, 402, 603, 1206, 1809, 3618
Therefore, since 3618 is divisible by more than one and itself, the answer to the
question "Is 3618 prime or composite?" is highlighted in blue below.
composite
Is 3619 prime or composite?
OK. Now you know that 3618 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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