+0  
 
0
100
2
avatar

How many integers between 0 and 8 inclusive have an inverse modulo \(12\)?

 Jun 8, 2022
 #1
avatar
+1

1  -  The mmi =  1
5  -  The mmi =  5
7  -  The mmi =  7

Just the above three. Their inverses are the same as themselves modulo 12.

 Jun 8, 2022
 #2
avatar+118135 
+1

I agree with one five and seven but I think you forgot 11

 Jun 17, 2022

13 Online Users