Find here the rules for divisibility of numbers explained in brief. Given here are the divisibility rules for numbers 13-25. The rules of divisibility can be explained as a set of rules which determine how any whole number could be divided by another one, without a reminder. It is a quick way to find factors of large numbers using the divisibility rules. Click on the below numbers for a detailed explanation of the divisibility rules of those numbers with examples.
|Numbers Divisible By||Divisibility Rules|
|13||Add 4 times the last digit to the rest|
|14||The number should be divisible by 2 and 7|
|15||The number should be divisible by 3 and 5|
|16||Add the last two digits to four times the rest|
|17||Subtract 5 times the last digit to the rest|
|18||The number should be divisible by 2 and 9|
|19||Add 4 times the last two digits to the rest|
|20||The number formed by last two digits should be divisible by 20|
|21||Subtract twice the last digit to the rest|
|22||The number should be divisible by 2 and 11|
|23||Add 7 times the last digit to the rest|
|24||The number should be divisible by 3 and 8|
|25||The number formed by the last two digits should be divisible by 25|
Usually, traditional division method will take too much time for big numbers to find the solution whether it is divisible or not. But this Rules for Divisibility of Numbers will help you to find the calculation fast and effective. Follow the Divisibility Rules For Numbers 13-25 and make maths easier in future without chance of getting wrong.