property 5 Factor of a given number are finite.

Property 1 is a factor of every number

The number of multiples of a given number is finite.

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

property 4 Every factor of a number is less than or equal to the number.

Assertion: If 35 and 85 is divisible by 5, then, their sum 35 +85, is divisible by 5. Reason : If a number is a factor of two given numbers, then it is the factor of their sum.

Property 3 Every factors of a number is an exact is an exact divisor of that number.

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

Property 4 If a number is a factor of each of the two given numbers then it is factor of their difference.

The number of proper subsets of a given finite set with 4 elements is ……

The number of proper subsets of a given finite set with 4 elements is