Question

common factor of 20, 40 and 80

Answer 1

Answer:

1,2,4,5,10,20

Step-by-step explanation:

FACTORS OF 20: 1,2,4,5,10,20

FACTORS OF 40: 1,2,4,5,10,20,40

FACTORS OF 80: 1,2,4,5,8,10,16,20,40,80

COMMON FACTORS(CM): 1,2,4,5,10,20

Answer 2

Step-by-step explanation:

1. $5 \times 2 = 10 \\ 2 \times 5 = 10$