Q: Are there any whole numbers that are not prime or composite?

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Yes. All prime numbers and composite numbers are positive integers, or whole counting numbers. That leaves infinitely many numbers that are neither prime nor composite. If you intended to narrow the scope of your question to the whole counting numbers or to the positive integers, then there are NO such numbers that are neither. A counting number, however large, will be either prime or composite.

They are both whole numbers or integers without any decimals but prime numbers have only two factors whereas composite numbers have more than two factors.

All positive whole numbers over 1 can be classified either as prime or composite numbers. Those which are not prime are composite numbers, that is, numbers which are composed of several different factors.

Prime factorization never includes a composite number. All numbers in prime factorization must be prime numbers.

We know that 143 is a whole number and that it has to be either prime or composite because all whole numbers other than 0 and 1 are one or the other. So, in order to determine if it is prime or composite, we need to know if any numbers besides 1 and 143 are factors. 1, 11, 13, and 143 are factors so 143 is a composite number.

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Yes. All prime numbers and composite numbers are positive integers, or whole counting numbers. That leaves infinitely many numbers that are neither prime nor composite. If you intended to narrow the scope of your question to the whole counting numbers or to the positive integers, then there are NO such numbers that are neither. A counting number, however large, will be either prime or composite.

They are both whole numbers or integers without any decimals but prime numbers have only two factors whereas composite numbers have more than two factors.

All positive whole numbers over 1 can be classified either as prime or composite numbers. Those which are not prime are composite numbers, that is, numbers which are composed of several different factors.

Prime factorization never includes a composite number. All numbers in prime factorization must be prime numbers.

We know that 143 is a whole number and that it has to be either prime or composite because all whole numbers other than 0 and 1 are one or the other. So, in order to determine if it is prime or composite, we need to know if any numbers besides 1 and 143 are factors. 1, 11, 13, and 143 are factors so 143 is a composite number.

Basically, composite numbers are the non-prime numbers. Take a table of prime numbers, and look for any two prime numbers, one after the other, that have a difference greater than 2. Any numbers in between are consecutive composite numbers. For example, the next prime number after 13 is 17; that makes 14, 15, and 16 three consecutive non-primes, i.e., composite numbers.

Any number that isnot a prime,not a factor of the composite numbercannot appear in the prime factorisation of a composite number.

No. If you multiply any prime number (such as 2, 3, 5, 7, or 11) by 1, you will get a prime number.

There are not any numbers that are both prime and composite. A prime number has exactly two factors. A composite number has more than two factors.

The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a prime number, not a composite number.

Yes, 0 and 1 are neithe prime nor composite.

No