Question

4
Write the common factors of the given pairs of numbers.
a) 24, 27
b) 45, 20
c) 18,28
d) 20,50​

Answer 1

Answer:

a)24, 27

24=2×2×2×3

27=3×3×3

Common factor=3

b)45, 20

45=3×3×5

20=2×2×5

Common factor=5

c)18, 28

18=2×3×3

28=2×2×7

Common factor=2

d)20, 50

20=2×2×5

50=2×5×5

Common factor=2, 5