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Find the largest prime divisor of 11! + 12! + 13!.

 Jun 2, 2021

Best Answer 

 #2
avatar+1776 
+1

Nice work, or you could simplify. 

11!(1 + 12 + 12*13)

11!(169)

11! * 13 * 13

 

 

=^._.^=

 Jun 2, 2021
 #1
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+2

Find the largest prime divisor of 11! + 12! + 13! ==6,745,939,200 = 2^8 * 3^4 * 5^2 * 7 * 11 * 13^2

 

13 is the largest prime divisor.

 Jun 2, 2021
 #2
avatar+1776 
+1
Best Answer

Nice work, or you could simplify. 

11!(1 + 12 + 12*13)

11!(169)

11! * 13 * 13

 

 

=^._.^=

catmg  Jun 2, 2021

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