Do Not Use a Calculator: Divisibility By 8

Is 2596481416 2596481416 divisible by 8 8 ?

Yes No Can't Say I Don't Know

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5 solutions

Aman Gautam
Oct 15, 2014

Numbers are divisible by 8 if the number formed by the last three individual digits is evenly divisible by 8

Bk Lim
Dec 13, 2014

Every thousand is divisible by 8, so it depends on 416.

A number is divisible by 8 8 if the last 3 3 digits of the number are divisible by 8 8 .The last 3 3 digits of this number are 416 416 which is 8 × 52 8\times52 so the answer is Y e s \boxed{Yes}

Jud Son
Nov 15, 2014

The last 3 digit which is 416 is divisible by 8.

Claire Meng
Nov 3, 2014

An easy way to do this is the trick for 8. You take the last three numbers if they are divisible by 8 then the number is. You could do it the hard way though... (Dividing the entire number by 8 [I suggest not to :) ])

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