## What two numbers are neither composite or prime?

The number 1 is neither prime nor composite. The prime numbers between 2 and 31 are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29 and 31 since each of these numbers has only two factors, itself and 1….Definitions.

factors of 2: | 1 x 2 | 2 is prime |
---|---|---|

factors of 9: | 1 x 9, 3 x 3 | 9 is composite |

## Which number is not prime or composite?

number 1

The number 1 is neither prime nor composite.

**Why is 1 neither prime or composite?**

Definition: A prime number is a whole number with exactly two integral divisors, 1 and itself. The number 1 is not a prime, since it has only one divisor. Definition: A composite number is a whole number with more than two integral divisors. So all whole numbers (except 0 and 1 ) are either prime or composite.

**Is 4 neither prime or composite?**

All even number except 2 are composite numbers. 4 is the smallest composite number.

### Is 28 a composite number?

Is 28 a Composite Number? Yes, since 28 has more than two factors i.e. 1, 2, 4, 7, 14, 28. In other words, 28 is a composite number because 28 has more than 2 factors.

### What number is not prime or composite?

Any number other than 1, which is not a prime number is a composite number.

**What does Prime and composite numbers mean?**

A prime number is a whole number that is greater than one and has exactly two factors, 1 and itself. A composite number is a whole number that is greater than one and has more than two factors.

**Is the number 7 prime or composite?**

A: No, 7 is not a composite number; it is a prime number. A composite number is a number that can be divided evenly by more numbers than 1 and itself.

#### What are prime numbers and composite numbers?

A prime number has only two factors: 1 and itself.