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Home > Pre-Algebra calculators > Divisibility rule example
Divisibility rule of 3 example ( Enter your problem )
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  1. Formula
  2. Divisibility rule of 2 example
  3. Divisibility rule of 3 example
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2. Divisibility rule of 2 example
(Previous example)		4. Divisibility rule of 4 example
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3. Divisibility rule of 3 example


1. Check whether 783 is divisible by 3 or not?

Solution:
Divisibility rule of 3 :
The sum of the digits is divisible by 3, then number is also divisible by 3.

Sum of digits of 783 is `7+8+3=18`, which is divisible by 3.


`:.` 783 is divisible by 3.


2. Check whether 921 is divisible by 3 or not?

Solution:
Divisibility rule of 3 :
The sum of the digits is divisible by 3, then number is also divisible by 3.

Sum of digits of 921 is `9+2+1=12`, which is divisible by 3.


`:.` 921 is divisible by 3.


3. Check whether 1185 is divisible by 3 or not?

Solution:
Divisibility rule of 3 :
The sum of the digits is divisible by 3, then number is also divisible by 3.

Sum of digits of 1185 is `1+1+8+5=15`, which is divisible by 3.


`:.` 1185 is divisible by 3.


4. Check whether 844 is divisible by 3 or not?

Solution:
Divisibility rule of 3 :
The sum of the digits is divisible by 3, then number is also divisible by 3.

Sum of digits of 844 is `8+4+4=16`, which is not divisible by 3.


`:.` 844 is not divisible by 3.


5. Check whether 1033 is divisible by 3 or not?

Solution:
Divisibility rule of 3 :
The sum of the digits is divisible by 3, then number is also divisible by 3.

Sum of digits of 1033 is `1+0+3+3=7`, which is not divisible by 3.


`:.` 1033 is not divisible by 3.


6. Check whether 1114 is divisible by 3 or not?

Solution:
Divisibility rule of 3 :
The sum of the digits is divisible by 3, then number is also divisible by 3.

Sum of digits of 1114 is `1+1+1+4=7`, which is not divisible by 3.


`:.` 1114 is not divisible by 3.




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2. Divisibility rule of 2 example
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