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Q: What is the rule for divisibility of 3?

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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

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

The rule for 1 and the rule for 3.

it is divisible by 3 and 9

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

There is no divisibility rule for 13 because it is a prime number. If you are thinking: why is there a divsibility rule for 2 and 3 then. Well, i don't know so go look it up on google.

There is no easy rule for divisibility by 34.

why does the divisibility rule work for 4

Rule: If it is divisible by 2 and by 3Numbers are divisible by 6 if they are divisible by 3 and 2. Therefore, for example, since 18 is divisible by 3 and 2, it is also divisible by 6.The divisibility rule for 6 is, it can go into the number if 2 and 3 can also.

3 - 31

A number has to be even and also divisible by 3.

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

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

The divisibility rule of 3 is that you add the digits together and then if the number you come up with is divisible by 3, then the number itself is divisible by 3. In this instance, 5 + 8 + 5 = 18/3 = 6, therefore, 585 is divisible by 3.

yes because you have 3 divided by 56

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What is the divisblity rule by 8

633 is divisible by 3 because its digits add up to a multiple of 3.

If the rules for 2 and 3 work, the number is divisibale by 5.

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

There is no rule for 7 :P

If the sum of the digits is divisible by 3, the number is also.

1, 2, 3 and 4

1, 2, 3 and 4

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.