Sunday, 26 April 2020

Divisibility by 5

Divisibility by 5

A number is divisible by 5, if the digit at units place is either 0 or 5.

METHOD
Step 1. Check out the units digit of the number
Step 2. If the units digits is 0 or 5, then the number is divisible by 5.

Example 1. Consider 30
Step 1. Units digit is 0
Since the units digit is 0, 30 is divisible by 5
Check. 30 / 6 = 5 exactly

Example 2. Consider 295
Step 1. Units digit is 5
Since the units digit is 5, 295 is divisible by 5
Check. 295 / 5 = 59 exactly

Example 3. Consider 5948
Step 1. Units digit is 8, which is not 0 or 5
Since the units digit is not 0 or 5, 5948 is not divisible by 5
Check. 5948 / 5 = 1189 remain 3

Divisibility by 5
Number Step 1 Units digit is 0 or 5? Number Divisible by 5?
30 0 YesYes
295 5 Yes Yes
5948 8 No No