Question

1. Descompuneti in factori primi
urmatoarele numere: 40,70,50,62 si 160.

2. Scrieti divizori numerelor de mai sus.

Answer 1

40=2*2*2*5
70=5*2*2*2*3
50=2*5*5
62=2*31
160=2*2*2*2*2*5

Answer 2

40:2=20:2=10:2=5:5=1=40=2 la puterea a 2-a •5
70:2=35:5=7:7=1=70=2•5•7
50:2=25:5=5:5=1=50=2•5•5
62:2=31:31=1=62=2•31
160:2=80:2=40:2=20:2=10:2=5:5=1=160=2 la puterea a cincea•5

am facut si verificarea.asa cum trebuie