Property 8 The number of multiples of a given number is infinite.

The number of multiples of a given number is finite.

Property 7 Every number is multiple of itself.

Factors and multiples of a number

property 5 Factor of a given number are finite.

Every number is a multiple of itself.

The number of common multiples of 6 and 15 is ______

Property 6 The units digit of the square of a natural number is the units digit of the square of the digit at units place of the given natural number.

Property 3 If number is a factor of each of the two given numbers then it is a factor of their sum.

Multiplication of rational number