1) Find the common factors of following numbers pair of numbers.
a) 32,68
b) 50,75
c) 31, 53
d) 81,114
e) 17,51
f) 81, 102
g) 21,42
h) 230, 130
i) 27,57
j) 52, 80
2) Find the first two common multiples of following pair of numbers.
a) 32,16
b) 50,75
c) 21, 7
d) 5, 25
e) 3, 21
f) 9, 27
g) 11,22
h) 17 , 51
i) 8 ,10
j) 4,6