Samarth's Indices

Level pending

The number 396 can be written as 1 1 l ⋅ 2 m ⋅ 3 n 11^l \cdot 2^m \cdot 3^n .What is the value of l+m+n.


The answer is 5.

Samarth Agarwal by Samarth Agarwal , 21, India

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

2 solutions

Pranoy Mitra
Jun 19, 2014

l=1, m=2, n=2, so 1+2+2=5

0 Helpful 0 Interesting 1 Brilliant 0 Confused
Samarth Agarwal
Dec 30, 2013

396 can be written as 11 3 3 2 2.This can be written as 1 1 1 ⋅ 2 2 ⋅ 3 2 11^1 \cdot 2^2 \cdot 3^2 .Thus,l=1,m=2,n=2 and l+m+n=1+2+2=5.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

Just Prime factorize it you get the answer.

Shreya R - 7 years, 2 months ago

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...