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Mathematics 17 Online
OpenStudy (anonymous):

If both 11^2 and 3^3 are factors of the number a * 4^3 * 6^2 * 13^11, then what is the smallest possible value of 'a'?

OpenStudy (ash2326):

It's given that 11^2 and 3^3 are the factors of the number. Let's try to find these factors here!!!

OpenStudy (anonymous):

yeah plz help me ash2326

OpenStudy (anonymous):

Let's start by writing the gven no in form of prime numbers. Basically, write 6^2 in terms of 3 and 2

OpenStudy (anonymous):

*given

OpenStudy (anonymous):

ok then

OpenStudy (ash2326):

We have \[a *4^3 6^2 13^{11}\] We can see 6^2 here, let's write 6 as 3*2 and then We'll find a \[a4^32^23^213^{11}\] Here 3^2 is there but we need 3^3 as a factor so a will have a 3

OpenStudy (ash2326):

I meant one of the factors of a is 3

OpenStudy (anonymous):

i feel i got the solution shall i try to answer

OpenStudy (anonymous):

Yes as @ash2326 wrote. Now according to the question, the number should have 11^2 and 3^2 as its factors. If we see the number right now. It only has one 3 . So a should basically be 3 * 11^2

OpenStudy (ash2326):

@shivam_bhalla thanks for completing the solution:)

OpenStudy (anonymous):

ty ash and shivam for helping me out

OpenStudy (anonymous):

Welcome :) and thanks @ash2326 :)

OpenStudy (ash2326):

You're welcome @dark_knight and \[\Huge \text{ Welcome to Open Study}\]\

OpenStudy (anonymous):

thanks ash can i ask one more question

OpenStudy (ash2326):

Yeah but close this one first and post the other as new question

OpenStudy (anonymous):

i have already closed this question.

OpenStudy (anonymous):

He meant close this question and post the new question separately

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