all digits in the number must total to a number divisible by 3 when added up e.g 156=1+5+6=12 which is divisible by 3 you can proove this using other numbers eg 39,24,1107 e.t.c
It is 3 6 9
3 - 31
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.
The divisibility rule for 3 is add up the digits and check for divisibility. 7+2+4 = 13.13 is not evenly divisible by 3 so 724 is not divisibleby 3.
633 is divisible by 3 because its digits add up to a multiple of 3.
It is 3 6 9
3 - 31
By tautology. If it did not work, it would not be a divisibility rule!
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.
A number has to be even and also divisible by 3.
there is a divisibility for 24 the rule is you can divide 24 as 6 and 4 i think
If the sum of the digits is divisible by 3, the number is also.
yes because you have 3 divided by 56
The divisibility rule for 3 is add up the digits and check for divisibility. 7+2+4 = 13.13 is not evenly divisible by 3 so 724 is not divisibleby 3.
What is the divisblity rule by 8
There is no easy rule for divisibility by 34.
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.