Factors, Prime Factors, HCF

Factors

100

List factors of 12

1,2,3,4,6 and 12

200

List factors of 18

1,2,3,6,9,18

300

List factors of 35

1,5,7,35

400

List factors of 50

1,2,5,10,25,50

500

List factors of 17

1, 17

Prime Factors

100

What are the prime factors of 12

2 x 2 x 3

200

What are the Prime Factors of 25

5 x 5

300

What are the prime factors of 48

2 x 2 x 2 x 2 x 3

400

What are the Prime factors of 100

2 x 2 x 5 x 5

500

What are the prime factors of 144

2x2x2x2x3x3

Highest Common Factor

100

12 and 16

4

200

35 and 49

7

300

26 and 65

13

400

32 and 80

16

500

144 and 100

2

Lowest Common Multiple

100

2 and 3

6

200

5 and 7

35

300

4 and 8

8

400

6 and 8

24

500

12 and 15

60

Powers

100

Write the following expression in index/power form 2x2x2x2x2

2⁵

200

Write the following in full with multiplication signs

3⁶

3x3x3x3x3x3

300

List the first 5 square numbers

1,4,9,16,25

400

What is the square root of 81

9

500

The floor of a classroom has an area of 196ft^2. The floor is square. What is the length of each side? 

14ft x 14ft