Divisibility Rules or Divisibility Tests
What is "Divisibility By" ? Divisible By means "When you divide one number by another number, the resultant number is a who l e number" In other words, if a number is completely divisible by another number, then the quotient will be a whole number and the remainder will be zero. Examples 10 is divisible by 5, because 10 ÷ 5= 2 where as the quotient 2 is a whole number 25 is not divisible by 2, because 25 ÷ 2 = 12.5 where as the quotient 12.5 is not a whole number The Divisibility Rules Divisibi l ity rules he l ps us to test whether one number is divisible by another or not, without the traditiona l method of division! Sounds Great? The Divisibi lity ru les from 2 to 19 are given be low. 1) Divisibility by 2 If a number is even or a number whose unit digit is either 0, 2,4,6 or 8 , it is completely divisible by 2. Examples: 1) 7778 is an even number (Here, Unit digit-8)and is comp letely divisible by 2 2) 5665 is not an even number(Here, Unit