Question

What is the HCF of 18, 23, 27 ?

Answer 1

Step-by-step explanation:

Factors of 18 = 2×3×3×1

Factors of 23 = 23×1

Factors of 27 = 3×3×3

HCF = Common factors = 1

Therefore,

HCF of 18, 23 and 27 = 1

Answer 2

Answer:

factors of 18:- 1 x 2 x 9

factors of 23:- 1 x 23

factors of 27:- 1 x 3 x 9

common factor:- 1

hence, HCF= 1

sorry I did it wrong the first time.