Respuesta :

Answer:

2 × 3 × 3 × 5

Step-by-step explanation:

Divide 90 by prime numbers continuously until you reach 1 (starting from the smallest prime number)

90 ÷ 2 = 45

45 ÷ 3 = 15

15 ÷ 3 = 5

5 ÷ 5 = 1