A number with only two factors - 1 and itself - is known as a Prime number.
23 is a Prime number because it has only two factors which are itself and one.
163 is a prime number because it has only two factors which are itself and one
A prime number because it has only two factors.
The type of number that only has 2 numbers is a prime number, because a prime number is a number that can only fit 1 and its self fit into it ,for example 3 is a prime number.
Prime numbers. Their only two factors are 1 and themselves.
!7 is a Prime number because it has only two factors which are itself and one
23 is a Prime number because it has only two factors which are itself and one.
163 is a prime number because it has only two factors which are itself and one
The definition of a prime number is a number which has only two factors: 1 and itself. All prime numbers have only two factors: one and themselves. So, asking "What is a prime number that has only 2 factors one and itself" is like asking "What is a type of cocker spaniel that is a dog?"
they are prime numbers. number that only have two factors, 1 and itself.
A prime number has exactly two factors: 1 and itself.
That's the definition of a prime number.
This is called a composite number.
A square number, because its square root is paired with itself.
A composite number.
a prime number
A prime number because it has only two factors.