1. a) Multimea nr prime= {2,3,23,31,67,97}
b) nr compuse= {6,15,33,54}
2. 15= 3x5 22=2x11 35=5x7 39= 3x13 65=5x13 77=7x11 91=7x13
3. intersectia (c)= {2}
4. a) 12=2 la a 2-a x 3
as face mai departe dar m-au plictisit deja. sper ca acum stii cum se fac.
