PRIME VS COMPOSITE 1-20

Question 1

1

Answer 1

PRIME NUMBER
1=1X1
FACTOR : 1

Question 2

2

Answer 2

PRIME NUMBER
2=1X2
FACTORS: 1, 2

Question 3

3

Answer 3

PRIME NUMBER
3=1X3
FACTORS: 1, 3

Question 4

4

Answer 4

COMPOSITE NUMBER
4=1X4, 4=2X2
FACTORS: 1, 2, 4

Question 5

5

Answer 5

PRIME NUMBER
5=1X5
FACTORS: 1, 5

Question 6

6

Answer 6

COMPOSITE NUMBER
6=1X6, 6=2X3
FACTORS: 1, 2, 3, 6

Question 7

7

Answer 7

PRIME NUMBER
7=1X7
FACTORS: 1, 7

Question 8

8

Answer 8

COMPOSITE NUMBER
8=2X2X2, 8=1X8, 8=2X4
FACTORS: 1, 2, 4, 8

Question 9

9

Answer 9

COMPOSITE NUMBER
9=1X9, 9=3X3
FACTORS: 1, 3, 9

Question 10

10

Answer 10

COMPOSITE NUMBER
10=1X10, 10=2X5
FACTORS: 1, 2, 5, 10

Question 11

11

Answer 11

PRIME NUMBER
11=1X11
FACTORS: 1, 11

Question 12

12

Answer 12

COMPOSITE NUMBER
12=2X2X3, 12=1X12, 12=2X6, 12=3X4,
FACTORS: 1, 2, 3, 4, 6, 12

Question 13

13

Answer 13

PRIME NUMBER
13=1X13
FACTORS: 1, 13

Question 14

14

Answer 14

COMPOSITE NUMBER
14=1X14, 14=2X7
FACTORS: 1, 2, 7, 14

Question 15

15

Answer 15

COMPOSITE NUMBER
15=1X15, 15=3X5
FACTORS: 1, 3, 5, 15

Question 16

16

Answer 16

COMPOSITE NUMBER
16=2X2X2X2, 16=1X16, 16=2X8, 16=4X4
FACTORS: 1, 2, 4, 8, 16

Question 17

17

Answer 17

PRIME NUMBER
17=1X17
FACTORS: 1, 17

Question 18

18

Answer 18

COMPOSITE NUMBER
18=2X2X3, 18=1X18, 18=2X9, 18=3X6
FACTORS: 1, 2, 3, 6, 9, 18

Question 19

19

Answer 19

PRIME NUMBER
19=1X19
FACTORS:1, 19

Question 20

20

Answer 20

COMPOSITE NUMBER
20=2X2X5, 20=2X10, 20=4X5
FACTORS: 1, 2, 4, 5, 10, 20