right answer please.
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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.
Answered by
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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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