Study

Factors, Multiples and Primes

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What is the LCM of 6 and 5?

30

List the factors of 26

1, 2, 13, 26

Write 28 as a product of prime factors

2x2x7

What is the LCM of 11 and 3?

33

What is the LCM of 6 and 4?

12

List the factors of 24

1, 2, 3, 4, 6, 8, 12, 24

What are the first 5 multiples of 6

6, 12, 18, 24, 30

Is 2 prime?

Yes

What are the first 5 multiples of 7

7, 14, 21, 28, 35

What is the HCF of 6 and 15

3

What is the 5th prime number?

11

What is the HCF of 18 and 36?

18

What is the 9th multiple of 3?

27

List the factors of 8

1, 2, 4, 8

Write 15 as a product of prime factors

3x5

What is the HCF of 11 and 20?

1

What is the 4th prime number?

7

What is the 8th multiple of 4?

32

What is the LCM of 4 and 8?

8

What is the HCF of 14 and 35?

7

Is 1 prime?

No

List the factors of 30

1, 2, 3, 5, 6, 10, 15, 30