Jawabanmu

2014-08-22T17:16:55+07:00
A. bilangan prima 

semoga membantu :) 

2014-08-22T17:20:54+07:00
A. {3,5,7,9,11,13} b. {2,3,4,5,11,13} c. {2,3,5,7,9,11,13} d. {2}