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If you add the digits in any given number and they add up to 9, then that number is divisible by nine. Example: 72 = 7 + 2 = 9, therefore its divisible by 9 Example: 2034 = 2 + 0 + 3 + 4 = 9, therefore it's divisible by nine as well. Example: 111123 = 1+1+1+1+2+3 = 9, therefore it is divisible by 9, too.
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What are the 20 divisibility test?
To test divisibility for 20, you need to use the tests for divisibility by 4 and 5.The test for divisibility by 4 is that the last 2 digits of the number, given as a 2-digit number, are divisible by 4.Example for 4:We are testing the number 11042.42/4 = 10.5 which is not a whole number. Therefore 11042 is not divisible by 4.The test for divisibility by 5 is that the last digit of the number is either 5 or 0.
Divisibility by 9?
If the digit sum of a number is 9 then it is divisible by 9
What numbers 2 3 5 9 divides into 123456789 evenly using divisibility rules?
3 and 9. And they divide into 123456789 whether or not you use divisibility rules!
Is 85743 divisibility by 2 3 5 9 or 10?
No.
What is the divisibility rule for 63?
Its digits add up to 9 so therefore it is divisible by 9
