The document discusses the highest common factor (HCF) and lowest common multiple (LCM) of various number sets. It provides examples that the HCF of 24 and 36 is 12, the HCF of 42, 60 and 90 is 6, the LCM of 4, 12 and 24 is 24, and the LCM of 12 and 18 is 36.

1. HCF: Highest Common Factor
HCF’s
flowers
The HCF
of 24 and
36 is 12.
12
The HCF
of 42, 60
and 90 is 6.
6

2. The LCM of
4, 12 and 24
is 24
The LCM of
12 and 18
is 36.
LCM: Lowest Common Multiple
LCM’s
flowers
36
24