The number must end in 00, 20, 40, 60 or 80.
By tautology. If it did not work, it would not be a divisibility rule!
The number must end in one of the following: 00, 20, 40, 60, 80.
A number is divisible by 20 if and only if it is an integer, its units digit is 0, and its tens digit is even.
What is the divisblity rule by 8
There is no easy rule for divisibility by 34.
The divisibility rule for 2 works because the base of our number system, 10, is divisible by 2.
Able to Be Divided
2.50
2 squared 1 = 4 so the divisibility rule is that it is divisible by 1, 2 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.
the number is even.
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.