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Find the smallest positive integer that is one less than a number that is a multiple of each of \(3, 5, 7, 9, 11, \ \text{and} \ 13\).

 Jan 14, 2022
 #1
avatar+23209 
+1

If you want to find an integer that is a multiple of 5, 7 9, 11, and 13, multiply them together:  45045.

 

(You can skip 3, because any multiply of 9 will be a multiple of 3.)

 

Subtracting 1:  45044.

 Jan 14, 2022
 #2
avatar+361 
+1

9*5*7*11*13=45045

45045-1=45044

 Jan 14, 2022
 #3
avatar+361 
0

geno did it 2 minutes before me lel :)

 Jan 14, 2022

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