What is the multiple of a number? How to find the multiple of six? What are the characteristics of the multiple of a number? What are the characteristics of the multiple of 2, 3, 5, 5?

What is the multiple of a number? How to find the multiple of six? What are the characteristics of the multiple of a number? What are the characteristics of the multiple of 2, 3, 5, 5?

What is the multiple of a number? How to find the multiple of six? What are the characteristics of the multiple of a number? --- I don't understand
A multiple of 2 is an even number, a multiple of 3, its ten bits and one hundred bits... The sum of the numbers on it is a multiple of 3, and the multiple of 5 must be 0 or 5