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1.How many positive integers divide evenly into either 144 or 196 but not both?

 Apr 19, 2021
 #1
avatar+121004 
+2

Divisors  of 144

 

1 | 2 | 3 | 4 | 6 | 8 | 9 | 12 | 16 | 18 | 24 | 36 | 48 | 72 | 144 

 

Divisors of 196

 

1 | 2 | 4 | 7 | 14 | 28 | 49 | 98 | 196 

 

The  ones  that  divide  one but not  both  (not including 144 and 196 )  are

 

3   6   7   8    9     12    14    16   18    24    28   36    48    49    72   98

 

 

cool cool cool

 Apr 19, 2021
 #2
avatar+321 
+1

Thank you!!

itachiuchihakujo  Apr 19, 2021
 #3
avatar+121004 
0

No prob  !!!

 

cool cool cool

CPhill  Apr 19, 2021

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