Question

find the common factors of 10,30 and 40 25,16 and 45 12,8 and 24 .please solve

Answer 1

First let's find the factors of the numbers.

(i) 10,30,40

10 : 1 , 2 , 5 , 10
30 : 1 , 2 , 3 , 5 , 6 , 10 , 15 , 30
40 : 1 , 2 , 4 , 5 , 8 , 10 , 20 , 40

Common factors = 1 , 2 , 5 , 10

(ii) 25,16,45

25 : 1 , 5 , 25
16 : 1 , 2 , 4 , 8 , 16
45 : 1 , 3 , 5 , 9 , 15 , 45

Common factors = 1

(iii) 12,8,24

12 : 1 , 2 , 3 , 4 , 6 , 12
8 : 1 , 2 , 4 , 8
24 : 1 , 2 , 3 , 4 , 6 , 8 , 12 , 24

Common factors = 1 , 2 , 4

hope it helps

Answer 2

Hi,

Please see the attached file!


Thanks