Divisibility Rules for 7, 8 & 11

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Here I show you what you may not have learned in school: the rules of divisibility for 7, 8 and 11. There is a formula for which one can derive divisibility rules for ANY whole number (except for 0). All of these divisibility rules can be mathematically proven.

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Your voice is very good, and slides were well written, thanks alot, that 4 and 8 rules are different. Both are very good, though rule for '4' is just awesome. Thanks. :)

akshayguptaOnCallBug

Clear, concise, and effective!! Thanks a bunch Nate!!

Johnnymatics

you should recreate this video and show examples for all of them for thos how are bigners

syedislam

I am not able to see this clearly. I would love to have this chart.

ljeffers

ding whether a number is exactly divisible by 4.
The rules are illustrated with clear examples for easier understanding.
Divisibility Rule of 4 :
The last two digits are divisible by 4.

Example :
i) 56184
ii)6428

Explanation :
i) 56184
Last two digits are 84,
Divisible by 4, = 84/4 = 21

ii) 6428
Last two digits are 28,
Divisible by 4, = 28/4 = 7.

Both the numbers can be divided by 4.
Read more (16 lines)

mrsir

For number 8, all you have to do is check to see if the last 3 digits are divisible by 8. Do long division, which is is much more simple than this process. your other tactics are cool though.

gartatiaraw

you are making a mistake, Divisibility rule of 4 should be like this --->
The divisibility rule for number 4 helps in finding whether a number is exactly divisible by 4.
The rules are illustrated with clear examples for easier understanding.
Divisibility Rule of 4 :
The last two digits are divisible by 4.

Example :
i) 56184
ii)6428

Explanation :
i) 56184
Last two digits are 84,
Divisible by 4, = 84/4 = 21

ii) 6428
Last two digits are 28,
Divisible by 4, = 28/4 = 7.

Both the numbers can be divided by 4.

AmanBakshi

what if the last digit is a zero using the rule for 11

ELI-zznl

Divisiblityruleof2to11should brought step bystep

muthuramalingamlingam

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