It is a composite number and a number with only two factors is a Prime number
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Prime numbers have two and only two factors. Composite numbers have three or more.
composite numbers are numbers who have more than 2 factors example 10 the factors of 10 are 1,2,5,10.10 has more than 2 factors ,so it is a composite no.
Because square numbers have more than two factors whereas prime numbers have only two factors
Numbers that have more than two factors are composite numbers
No 9 is not prime. It's factors are 1,3,9. Proper factors: 1,3. Factors are numbers that are multiplied with other numbers to get a product. Proper factors are factors of a number except for itself. Composite numbers are numbers with more than 2 factors and more than 1 proper factor. Prime is the opposite of composite.