To know if a number is composite without listing its factors, you can use these rules:
Incorrect. Square numbers are composite and have an odd number of factors.
Every square number (except 1) is composite. Prime numbers only have two factors, one and the numbers themselves. Since square numbers also have at least the square roots as factors, they have to be composite.
There are more than ten composite numbers and what they have in common is that they all have more than two factors whereas prime numbers have only two factors which are themselves and one.
Composite numbers have more than 2 factors.
There are more composite numbers. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
There are infinitely many composite numbers with infinitely many factors.
All numbers have factors. Some factors are prime numbers, some are composite numbers. A factor that is a composite number is a composite factor.
Some factors are prime numbers, some are composite.
A composite number is one that can be split up into smaller factors. It can be considered to be the product of two or more prime numbers.
All numbers have factors. Some factors are prime numbers, some are composite numbers, one is neither. The factors of 12 are 1, 2, 3, 4, 6, 12 Since 4, 6 and 12 are composite numbers, they are the composite factors of 12.
24 and 35 are composite numbers because they have more than two factors whereas 31 is a prime number because it only has two factors.
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.