Divisibility Test for a number (619291) by 6, 8, 9, 10 or 11 (Unit: Factors and Multiples)

Q. Is 619291 divisible by 6, 8, 9, 10 or 11 ? and give a reason.


Solutions: 


619291 is not divisible by 6 as it is not divisible by 2 and 3. 

619291 is not divisible by 8 as the last three digits i.e 291 is not divisible by 8.

619291 is not divisible by 9 as the sum of its all digits i.e 6+1+9+2+9+1 = 28 is not divisible by 9.

619291 is not divisible by 10 as its ending digit is not a 0.

619291 is not divisible by 11 as difference of its alternate digits (6+9+9) - (1+2+1) = 24 - 4 = 20  or multiple of 11.

Thus 

619291 is not divisible by 6, 8, 9, 10 or 11 ---------Ans.



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