Question

find the HCF of the following numbers by with writing of factor 26,38,42​

Answer 1

$26 \div 2 = 13 \\ 13 \div 13 = 1$

$38 \div 2 = 19 \\ 19 \div 19 = 1$

$42 \div 2 = 21 \\ 21 \div 3 = 7 \\ 7 \div 7 = 1$

26=13×1

38=19×1

42=21×7×1