Answer :

Given, number is 61479.

Need to find out the number is divisible by 81


Prime factors of 81 = 9 × 9


it is enough to find the number is divisible by 9


To test the number is divisible by 9 it can be found by summing of the digits


6 + 1 + 4 + 7 + 9 = 27


number 27 is divisible by 9


Hence, 61479 is divisible by 81.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

(n3</sAP - Mathematics

Check whethAP - Mathematics

Check whethAP - Mathematics

Sum of ‘n’ AP - Mathematics

Find the suAP - Mathematics

Find the suAP - Mathematics

Rahul&rsquoAP - Mathematics

Find the suAP - Mathematics

Check whethAP - Mathematics

Check whethAP - Mathematics