answersLogoWhite

0


Best Answer

A Prime number has exactly two factors, which are 1 and itself. The number 1 has only one factor, since 1 and itself are the same number. Therefore, it does not meet the definition of a prime number. It is known as unity. It is neither a composite number nor a prime number.

User Avatar

Wiki User

โˆ™ 2009-10-25 12:23:47
This answer is:
User Avatar
Study guides

Add your answer:

Earn +20 pts
Q: Why is 1 excluded as a prime number since it is divisible by 1 and itself?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Is 12 prime number?

No it is divisible by 1,2,3,6 and itself therefore it isn't a prime number a prime number is a number that is only divisible by itself and 1 for example 3 is a prime number.


Is 115 a prime number?

No. Is is divisible by 1, 5, 23, and itself. A prime number is divisible by only 1 and itself.


Is 194 a prime?

No, 194 is not a prime number because it is divisible by two, any number divisible by two is not a prime number apart from 2 itself. A prime number is a number that is only divisible by itself and one, such as 13 or 83.


What is a number called that is divisible only by itself and 1?

A number that is only divisible by 1 and itself is called a prime number.A prime.


What is 223 divisible by?

This number is prime. it is divisible by one and itself.


What it is a prime number?

A prime number is a number that is divisible only by 1 and itself.


What kind of number is divisible by itself and you?

A prime number


What is a number that is divisible by itself and 1?

A prime number


What prime numbers are divisible by 250?

No prime numbers are divisible by 250. A prime number is only divisible by 1 and itself.


Is 2941 a prime number?

Nope. A prime number is only divisible by itself and 1; 2941 is divisible by 1, 17, 173, and itself.


What is 769 divisible by?

769 is a prime number. Its only factors are 1 and itself.769 is divisible by itself and one because it is a prime number


Is the number 33333 a prime number?

No, because it is divisible by 3 and 11111. A prime number can only be divisible by 1 and itself.

People also asked