Question

03- Decomponha em fatores primos:
a) 21
b) 36
c) 140
d) 220

Answer 1

a) 21 → 3 × 7

b) 36 → 2 × 2 × 3 × 3 (ou 2² × 3²)

c) 140 → 2 × 2 × 5 × 7 (ou 2² × 5 × 7)

d) 220 → 2 × 2 × 5 × 11 (ou 2² × 5 × 11)