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Q: Find the composite number the addition of whose prime factors is 18?

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A prime numbers has exactly two factors, 1 and the number itself. A composite number is composed of one or more factors in addition to 1 and the number itself.

391 is a composite number. 391 = 17 * 23 A prime number is a whole number that only has two factors which are itself and one. A composite number has factors in addition to one and itself.

A prime number is a whole number that has two factors which are itself and one. where as, A composite number has factors in addition to one and itself.

There is not such a thing as a composite prime number. A prime number has exactly two factors. A composite number has more than two factors.

21 is a Composite Number. A prime number is a whole number that only has two factors which are itself and one. A composite number has factors in addition to one and itself. 21 is divisible by 3 and 7.

14 is a composite number. Any number that's not a prime number is a composite number. A prime number is a number that has no factors except ' 1 ' and itself. The factors of 14 are 1, 2, 7, and 14. In addition to ' 1 ' and itself, 14 has two more factors. Therefore, by definition, 14 is not a prime number, and is a composite number.

125 is a composite number because it has more than two factors. Its factors are 1, 5, 25, and 125.125 is divisible by 5 in addition to 1 and itself. It is a composite number.125 is a composite number. In addition to 1 and itself, it is divisible by 5.

When a composite number is expressed as a product of its prime factors, the prime factorization of the composite number has been performed.

A number is prime when it only has one and itself as factors is prime. Therefore, to tell if a number is prime or composite simply find it's factors. If it has more than two factors than it is not a prime number, it is composite.

1155 ends with 5, which means it is divisible by 5. It is a composite number because it has factors in addition to 1 and itself.

Composite A prime number is a number that has only two factors (itself and one) A composite number is a number that has more than two factors.

A prime number has two factors, a composite number has more than two.

No it’s not prime it has factors. It most definitely is a composite!

A prime number has only two factors whereas a composite number has more than two factors

The factors of 18 are: 1, 2, 3, 6, 9, and 18.Since there are other factors in addition to '1' and the number itself,the number is composite.18 is a composite number because it has more than 2 factors18 is a composite number. 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.18 is not prime; it is composite. 18 = 2 * 3 * 3

Composite. Its prime factors are 23 and 31.

A prime number is a number that is divisible only by 1 and itself; it has no other factors. A composite number is a number that is divisible by more than 2 numbers. The factors of 14 are 1, 2, 7, and 14. Therefore, 14 is a composite number.

A prime number has two factors. A composite number has more than two factors.Since 0 has no factors, it is neither prime nor composite.

If it has only two factors then it is a prime number but if it has more than two factors then it is a composite number

Yes. Any composite number can be expressed as a product of prime factors.

Prime numbers have two factors, composite numbers have more than two.

Every composite number can be broken down into its factors, and if you break those factors down as far as you can go, then you have a list of the prime factors of the composite number that you started with.

A composite number has more than two factors whereas a prime number has only two factors

A prime number has exactly two factors, 1 and the number itself. A composite number has more than 2 factors, therefore it cannot be a prime number.

771 is a composite number. Its prime factors are 3, 257