Question

composite numbers between 20 and 35​

Answer 1

Answer:

23,29,31 are the composite numbers between 20 and 35

Answer 2

Answer:

All of the following are composite:

20

,

21

,

22

,

24

,

25

,

26

,

27

,

28

,

30

,

32

,

33

,

34

,

35

,

36

,

38

,

39

,

40

Explanation:

A composite number is any number which has factors apart from

1

and itself.

So most numbers between

20

and

40

are composite:

20

=

2

×

2

×

5

21

=

3

×

7

22

=

2

×

11

24

=

2

×

2

×

2

×

3

25

=

5

×

5

26

=

2

×

13

27

=

3

×

3

×

3

28

=

2

×

2

×

7

30

=

2

×

3

×

5

32

=

2

×

2

×

2

×

2

×

2

33

=

3

×

11

34

=

2

×

17

35

=

5

×

7

36

=

2

×

2

×

3

×

3

38

=

2

×

19

39

=

3

×

13

40

=

2

×

2

×

2

×

5

The only prime numbers (having no factors apart from

1

and themselves) between

20

and

40

are:

23

,

29

,

31

,

37

. hope it helps