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Q: How do you find the divisibility rule for nine?

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There is no easy rule for divisibility by 34.

By using the divisibility rule for 3, we find that 117 is divisible by 3. That makes it composite.

The divisibility rules of 4 and 9 are combined to make the divisibility rule of 36.

By tautology. If it did not work, it would not be a divisibility rule!

why does the divisibility rule work for 4

add all the digits together and see if it is divisible by nine.

there is a divisibility for 24 the rule is you can divide 24 as 6 and 4 i think

What is the divisblity rule by 8

the divisibility rule for 2 is: The number is even;the last digit ends with a 2,4,6,8,10, etc.The divisibility rule fir 3 is: The sum of the number is divisible by 3The divisibility rule for 4 is: The last two digits are divisible by 4The divisibility rule for 5 is: The number ends with a 5 or 0The divisibility rule for 6 is: The sum CAN be divisible by 2 and or 3The divisibility rule for 9 is: The sum of the number is divisible by 9The divisibility rule for 10 is : The number ends with a 0

There is no rule for 7 :P

Able to Be Divided

2.50

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The divisibility rule for 2 works because the base of our number system, 10, is divisible by 2.

if the number ends on 5 or 0 the number is divisible by 5

Subtract nine times the last digit from the rest; repeat if necessary. The result must be divisible by 13.

the number is even.

It has to end 00.

it is divisible by5

It is 86

The rule for 1 and the rule for 3.

Judging by some of the questions asked on this site, the first rule is that divisibility is a concept that applies only to whole numbers.

2 squared 1 = 4 so the divisibility rule is that it is divisible by 1, 2 and 4.

it is divisible by 3 and 9

3 - 31