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The only factors or divisors or 3 are 1 and the number 3 itself. The definition of a prime is a number whose only factors are 1 and itself so 3 fits this definition.
Any composite number can be broken down into a product of primes. If you try, you will see there is not product of primes that equals 3.
What else can I help you with?
Is 159 a composite number?
159 is a composite number. ( 3 x 53 = 159)Composite number, as it is a multiple of 3.
Is 3 a composite number?
3 is not a composite number.3 is a prime number because its factors are only 1 and itself.No.
Is 129 a prime number or a composite number?
It is composite. It is divisible by 3.
Is 69 a prime number or a composite number?
69 is a composite number because it is a multiple of 3 and 23.
Is 243 a composite number or prime number?
243 is a composite number because it has more than two factors
Is 5661 a prime number or a composite number?
It is divisible by 3, so it is a composite number.
Is 15 a prime or composite number?
composite because 3 and 5 will go into it
Is 5103 a composite or prime number?
It is a composite number, because it is divisible by 3. (3^6*7).
Is 357 a prime or composite number?
It is a composite number because It is a divisible by 3.
Is 2223 prime or composite if composite what number goes into it?
Composite, 2223= 3*3*13*19
Is 39 a composite number or a prime number?
39 would be a composite number because not only does it have 1 as a factor but it has 13 and 3 because 13*3 39 is a composite number. Other than itself and 1, its other positive integer factors are 3 and 13.
Is 225 composite?
Yes. A composite number is a number that is not prime. In the case of 225, it can be broken down to 5 * 5 * 3 * 3, and is thus composite.
