Question

the H C F of the following numbers using prime factorisation 27,63 and 54

Answer 1

27=3*3*3
63=3*3*7
54=3*3*3*2
therefore their h.c.f is 9

Answer 2

27=3×3×3
63= 3×3×7
54=2×3×3×3
therefore the hcf(27,63,54)=