Question

1 .find the common factors of

(a) 25 and 80

(b) 42 and 70

(c) 48 and 90

(d) 33 and 66.​

Answer 1

Answer:

common factors of

a).1,5,

b).1,2,7

c).1,2,3,6

d).1,3,11,33

Answer 2

Answer:

a) 1,5

b) 1,2,7,14

c) 1,2,3,6

d) 1, 3, 11, 33

Step-by-step explanation:

a) The factors of 25 are 1,5,25; The factors of 80 are 1,2,4,5,8,10,16,20,40,80.

b) The factors of 42 are 1,2,3,6,7,14,21,421,2,3,6,7,14,21,42 and The factors of 70 are 1,2,5,7,10,14,35,701,2,5,7,10,14,35,70. The common factors for 42,70 are 1,2,7,14

c) The factors of 48 are 1,2,3,4,6,8,12,16,24,48 and The factors of 90 are 1,2,3,5,6,9,10,15,18,30,45,90

d) The common factors of 33 and 66 are 1, 3, 11, and 33