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avatar+118 

1)Find the largest integer n for which 12^n evenly divides 20! .

 Sep 24, 2020
 #2
avatar+118 
0

PLease help!

 Sep 25, 2020
 #3
avatar+111127 
+1

I just lined up the numbers 1 to 20 and factored each one

    (only prime factors have importance  for example 8=2*2*2)

All the prime factors except 3 and 2 can be ignored.

How many factors are 3 how many are 2?

Can you do it now?

 Sep 28, 2020
edited by Melody  Sep 28, 2020
edited by Melody  Sep 28, 2020

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