Answer:
6
Step-by-step explanation:
the solution in photo :)
→ Prime factorise each number
12 = 2² × 3 ⇒ 2 × 2 × 3
18 = 2 × 3² ⇒ 2 × 3 × 3
24 = 2³ × 3 ⇒ 2 × 2 × 2 × 3
→ Find which number there are in each one
2 and 3
→ Multiply them together
2 × 3 = 6
