Enter a whole number.
1,245 is divisible by 3.
Sum of the digits : 1 + 2 + 4 + 5 = 12
The sum of the digits of 1,245 is 12. Because 12 is a multiple of 3, the number 1,245 is divisible by 3.
When 1,245 is divided by 3 the remainder of the division is 0.
A whole number is divisible by 3 if the sum of its digits is a multiple of 3.
Divisibility by 3 test calculator,
You can use the divisibility test calculator in two ways.
You can enter a whole number to the input box and click on the "CHECK DIVISIBILITY" button. The result and explanations appaer below the calculator
You can click on the DIE ICON next to the input box. If you use this property, a random number is generated and entered to the calculator, automatically. You can see the result and explanations below the calculator.
The result is illustrated by tick and cross icons. Tick means the entered number is divisible by 3 and the cross symbol on the screen means that the number that you enter is NOT divisible by 3.
To check the divisibility of another number you can clear the input box by clicking on the CLEAR button under the input box.
You can copy the generated solution by clicking on the "Copy Text" link, appaers under the solution panel.
Even you can download the solution as an image file with .jpg extension if you click on the "Download Solution" link at the bottom of the solution panel. You can share the downloaded image file.