Divisibility Test





Divisibility Test is the topic in which we are going to see the shortcuts to predict one number is divisible by another number with out doing too much calculation.

Once we remember these rules we can easily divide two numbers without calculator.

Learning this topic is more important for all the students who are in school to do visions in a easy way. Divisibility Test


Divisible number       Rules
Divisibility by 2       The numbers which end with 0,2,4,6,8 are known as even numbers.These are divisible by 2 .more examples
Divisibility by 3    A number is divisible by 3 if the sum of the digits is divisible by 3.Ex : 363 Here sum of the digits 3 + 6 + 3 = 9 which is divisible by 3.So the whole number will be divisible by 3. more examples
Divisibility by 4   Take the last two number if it is divisible by 4. Then the whole number will be divisible by 4. Ex: In 328 the last two digits 28 is divisible by 4. So 328 will be divisible by 4. more examples
Divisibility by 5   The numbers ending with 0 or 5 are divisible by 5.Ex: 20,375. more examples
Divisibility by 6   If a number is divisible by 2 and 3,it is divisible by 6..Hence all even numbers which are divisible by 3 are divisible by 6 more examples
Divisibility by 8   If the last three digits of the given number is divisible by 8. Then the entire number will be divisible by 8. Ex: To test 5624 is divisible by 8 it is enough to test if 624 is divisible by 8. more examples
Divisibility by 9   A number is divisible by 9 if the sum of the digits is divisible by 9.Ex: In 432 ,sum of the digits 4 + 3 + 2 = 9 more examples
Divisibility by 10   All numbers which end in 0,that is have 0 in the "ones" place are divisible by 10.Ex:100,500,450..... are divisible by 10. more examples
Divisibility by 11   If the difference between the sum of one set of alternate digits and the sum of the other set of alternate digits is 0 or 11 or 22.....the numbers are divisible by 11. more examples
Divisibility by 12   All the numbers which are divisible by 3 and 4 are divisible by 12. more examples
Divisibility by 15   All the numbers which are divisible by 3 and 5 are divisible by 15. more examples
Divisibility by 18   All the numbers which are divisible by 2 and 9 are divisible by 18. more examples
Divisibility by 25 If the last two digits of a number are 00,25,50,75 the numbers are divisible by 25. Ex: 475,350... more examples



Divisibility Test

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