Theory one liner notes part 2

Hello friends in this article you re going to read some one liner theories.

Factors- 1. A factor is a exact divisor of a number.
2. '1'is factor of every whole number.
3. Every number is factor of itself.
4. Factors are less than or equal to the given number.
5. No.of factors are countable.

Multiples- 1. Every multiple of a number is equal to or greater than the given number.
2. Every number is a multiple of itself.
3. Number of multiples are uncountable.

Perfect number- A number of which the sum of it's factors is twice of the number is called a perfect number. Ex- 6= 1+2+3+6= 12.

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