LCM/HCF

LCM means

• least common multiple

• lowest common member

• least common mentor

• lowest core multiple

Answer explanation

Correct! It means lowest or least common multiple.

HCF means

• highest core fact

• high core fiber

• highest common factor

• highest coming factor

Answer explanation

HCF means highest common factor.

What numbers have only two factors?

• composite

• square

• even

• prime

Which is a multiple of 6?

• 21

• 13

• 24

• 9

9, 12, 15,18 are multiples of

• 3

• 4

• 5

• 6

The factors of 15 are

• 1, 2, 3, 5, 15

• 1, 3, 4, 5, 15

• 1, 3, 5, 15

• 1, 2, 5, 15

The LCM of 10 and 20 is

• 10

• 20

• 30

• 40

What is the LCM of 6 and 9?

{you may use your tables}

• 36

• 18

• 27

• 9

What is the LCM of 7 and 11?

• 77

• 17

• 7

• 70

Find the HCF of 3 and 8.

• 2

• 8

• 3

• 1