Question

Scrie ca produs de doua nr. prime numerele: 15,22,35,39,65,77,91

Answer 1

15=3 ori 5
22=2 ori 11
35=7 ori 5
65=13ori 5
77=7 ori 11
91=13 ori 7

Answer 2

3*5=15

2*11=22

7*5=35

13*3=39

13*5=65

11*7=77

13*7=91