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I cant find the largest prime divisor of 11! + 12!.

can anyone help?

 Dec 30, 2020

Best Answer 

 #1
avatar+94 
+1

Hello Guest!

 

12! = 11! * 12

We can factor 11! + 12! to 11!(1 + 12). 

1+ 12 = 13

11! + 12! = 11!*13

Thus, 13 is the largest prime factor. :)

I hope this helped. :D

=^._.^=

 Dec 30, 2020
 #1
avatar+94 
+1
Best Answer

Hello Guest!

 

12! = 11! * 12

We can factor 11! + 12! to 11!(1 + 12). 

1+ 12 = 13

11! + 12! = 11!*13

Thus, 13 is the largest prime factor. :)

I hope this helped. :D

=^._.^=

catmg Dec 30, 2020
 #2
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Thank you!

Guest Dec 30, 2020
 #3
avatar+114171 
0

Very nice, catmg   !!!

 

cool cool cool

CPhill  Dec 30, 2020

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