Multiplicative identity

Multiplicative identity of numbers is a property of numbers which is applied when carrying out multiplication operations. Multiplicative identity property says that whenever a number is multiplied by the number $1$ (one) it will give that number as a product. $1$ is the multiplicative identity of a number. The multiplicative identity property is represented as,

$a\times 1=a=1\times a$ (where $a$ is any real number)

Example:

$50\times 1=50=1\times 50$

Difference Between Additive Identity and Multiplicative Identity

Additive Identity	Multiplicative Identity
The additive identity for any real number is $0$.	Multiplicative identity for any real number is $1$.
It is denoted by $a+0=a$, where $a$ is any real number	It is denoted by $a\times 1=a$ , where $a$ is any real number
It is used in the addition operation	It is used in the multiplication operation
Example: $15+0=15$	Example: $12\times 1=12$