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Mathematics 20 Online
OpenStudy (anonymous):

find the prim factorization of 525

OpenStudy (anonymous):

Divide it by something.

OpenStudy (anonymous):

So the answer that I got was 3, is that correct

OpenStudy (anonymous):

Not quite enough, no.

OpenStudy (saifoo.khan):

Find LCM using the ladder method.

OpenStudy (anonymous):

The number is divisible by 3, but you have to find all the factors and break them all down into their factors.

OpenStudy (anonymous):

Ok so then I got 3*5*5*7 :3 ?????

OpenStudy (anonymous):

525=5^2*3*7

OpenStudy (saifoo.khan):

Seems right.

OpenStudy (anonymous):

I'd start by dividing by 5. Since it seems obviously divisible by 5 (ya' know with that 5 in the ones' place and all...)|dw:1350789279974:dw|

OpenStudy (anonymous):

Yeah, you got it.

OpenStudy (anonymous):

right :) Ok great... Thanks !!!

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