Question

right answer please.​

Answer 1

Answer:

Factors of 9 and 18 are :

9 = 1, 3, 9

18 = 1, 2, 3, 6, 9

their common factors are:

1, 3 and 9.

Note:

#practice the remaining questions. They are similar to the above solution.

#Factors are the numbers that can be exactly divisible to the given number.

Answer 2

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(i) 9 , 18

➺ 9 = 1,3,9

18 = 1,2,3,6,9, 18

Common Factor (C.F.) = 1, 3, 9

(ii) 25 , 15

➺ 25 = 1, 5, 25

15 = 1, 3, 5, 15

C.F. = 1, 5

(iii) 7 , 21 , 63

➺ 7 = 1, 7

21 = 1, 3, 7, 21

63 = 1, 3, 7, 9, 21, 63

C.F. = 1, 7

(iv) 6 , 18 , 60

➺ 6 = 1, 2, 3, 6

18 = 1, 2, 3, 6, 9, 18

60 = 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

C.F. = 1, 2, 3, 6

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