Add 2 times the last digit (unless the digit is '0') to the remaining truncated number. Repeat the step as necessary. Till the result is 19, then the original number is also divisible by 19
All 11343, 2461 and 2717 will work out to 19, hence they are divisible by 19.
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2.50
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.
It is 3 6 9
samyoora fiklan
Just carry out the division.