Question

HCF 18,54,81 PRIME FACTORISATION​

Answer 1

Step-by-step explanation:

18=2x3x3

54=2x3x3x3

81=3x3x3x3

HCF=3x3

=9

Answer 2

Step-by-step explanation:

$18 = 2 \times 3 \times 3 \\ 54 = 2 \times 3 \times 3 \times 3 \\ 81 = 3 \times 3 \times 3 \times 3 \\ hcf = 3 \times 3 = 9$