Rozloz na czynniki pierwsze liczby:  a= 6x5   b-= 7x11x15  c= 4x6x8  d= 9 do potegi 2  e= 10 do potegi 3 Daje naj!

a=6*5=30 30=5*3*2  b=7*11*15=1155 5*231

a)6 x 5 = 30 30 | 2 15 | 3 5 | 5 1 b) 7 x 11 x 15 = 1155 1155 | 5 231 | 3 77 | 7 11 | 11 1 c)4 x 6 x 8 = 192 192 | 2 96 | 2 48 | 2 24 | 2 12 | 2 6 | 2 3 | 3 1 d) 9 do 2 = 81 81 | 3 27 |3 9 | 3 3 | 3 1 e) 10 do 3 = 1000 1000 | 2 500 | 2 250 | 2 125 | 5 25 | 5 5 | 5 1