Factors of 1 to 100

Factors of 1 to 100 are provided here. All the composite numbers have more than two factors and prime numbers have only two factors, i.e, 1 and the number itself. Prime factors of a number are the prime numbers that can divide the original number, uniformly.

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Table of Factors of 1 to 100

The factors of all the natural numbers from 1 to 100 are given below along with their prime factor form. Also, see, which of the natural numbers are prime numbers and which are composite numbers.

Numbers

Factors

Prime Factors Form

Prime/Composite

1

1

Neither Prime nor composite

2

1, 2

2

Prime

3

1, 3

3

Prime

4

1, 2, 4

2 x 2

Composite

5

1, 5

5

Prime

6

1, 2, 3, 6

2 x 3

Composite

7

1, 7

7

Prime

8

1, 2, 4, 8

2 x 2 x 2

Composite

9

1, 3, 9

3 x 3

Composite

10

1, 2, 5, 10

2 x 5

Composite

11

1, 11

11

Prime

12

1, 2, 3, 4, 6, 12

2 x 2 x 3

Composite

13

1, 13

13

Prime

14

1, 2, 7, 14

2 x 7

Composite

15

1, 3, 5, 15

3 x 5

Composite

16

1, 2, 4, 8, 16

2 x 2 x 2 x 2

Composite

17

1, 17

17

Prime

18

1, 2, 3, 6, 9, 18

2 x 3 x 3

Composite

19

1, 19

19

Prime

20

1, 2, 4, 5, 10, 20

2 x 2 x 5

Composite

21

1, 3, 7, 21

3 x 7

Composite

22

1, 2, 11, 22

2 x 11

Composite

23

1, 23

23

Prime

24

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

2 x 2 x 2 x 3

Composite

25

1, 5, 25

5 x 5

Composite

26

1, 2, 13, 26

2 x 13

Composite

27

1, 3, 9, 27

3 x 3 x 3

Composite

28

1, 2, 4, 7, 14, 28

2 x 2 x 7

Composite

29

1, 29

29

Prime

30

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

2 x 3 x 5

Composite

31

1, 31

31

Prime

32

1, 2, 4, 8, 16, 32

2 x 2 x 2 x 2 x 2

Composite

33

1, 3, 11, 33

3 x 11

Composite

34

1, 2, 17, 34

2 x 17

Composite

35

1, 5, 7, 35

5 x 7

Composite

36

1, 2, 3, 4, 6, 9, 12, 18, 36

2 x 2 x 3 x 3

Composite

37

1, 37

37

Prime

38

1, 2, 19, 38

2 x 19

Composite

39

1, 3, 13, 39

3 x 13

Composite

40

1, 2, 4, 5, 8, 10, 20, 40

2 x 2 x 2 x 5

Composite

41

1, 41

41

Prime

42

1, 2, 3, 6, 7, 14, 21, 42

2 x 3 x 7

Composite

43

1, 43

43

Prime

44

1, 2, 4, 11, 22, 44

2 x 2 x 11

Composite

45

1, 3, 5, 9, 15, 45

3 x 3 x 5

Composite

46

1, 2, 23, 46

2 x 23

Composite

47

1, 47

47

Prime

48

1, 2, 3, 4, 6, 8, 12, 16, 24, 48

2 x 2 x 2 x 2 x 3

Composite

49

1, 7, 49

7 x 7

Composite

50

1, 2, 5, 10, 25, 50

2 x 5 x 5

Composite

51

1, 3, 17, 51

3 x 17

Composite

52

1, 2, 4, 13, 26, 52

2 x 2 x 13

Composite

53

1, 53

53

Prime

54

1, 2, 3, 6, 9, 18, 27, 54

2 x 3 x 3 x 3

Composite

55

1, 5, 11, 55

5 x 11

Composite

56

1, 2, 4, 7, 8, 14, 28, 56

2 x 2 x 2 x 7

Composite

57

1, 3, 19, 57

3 x 19

Composite

58

1, 2, 29, 58

2 x 29

Composite

59

1, 59

59

Prime

60

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60

2 x 2 x 3 x 5

Composite

61

1, 61

61

Prime

62

1, 2, 31, 62

2 x 31

Composite

63

1, 3, 7, 9, 21, 63

3 x 3 x 7

Composite

64

1, 2, 4, 8, 16, 32, 64

2 x 2 x 2 x 2 x 2 x 2

Composite

65

1, 5, 13, 65

5 x 13

Composite

66

1, 2, 3, 6, 11, 22, 33, 66

2 x 3 x 11

Composite

67

1, 67

67

Prime

68

1, 2, 4, 17, 34, 68

2 x 2 x 17

Composite

69

1, 3, 23, 69

3 x 23

Composite

70

1, 2, 5, 7, 10, 14, 35, 70

2 x 5 x 7

Composite

71

1, 71

71

Prime

72

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

2 x 2 x 2 x 3 x 3

Composite

73

1, 73

73

Prime

74

1, 2, 37, 74

2 x 37

Composite

75

1, 3, 5, 15, 25, 75

3 x 5 x 5

Composite

76

1, 2, 4, 19, 38, 76

2 x 2 x 19

Composite

77

1, 7, 11, 77

7 x 11

Composite

78

1, 2, 3, 6, 13, 26, 39, 78

2 x 3 x 13

Composite

79

1, 79

79

Prime

80

1, 2, 4, 5, 8, 10, 16, 20, 40, 80

2 x 2 x 2 x 2 x 5

Composite

81

1, 3, 9, 27, 81

3 x 3 x 3 x 3

Composite

82

1, 2, 41, 82

2 x 41

Composite

83

1, 83

83

Prime

84

1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84

2 x 2 x 3 x 7

Composite

85

1, 5, 17, 85

5 x 17

Composite

86

1, 2, 43, 86

2 x 43

Composite

87

1, 3, 29, 87

3 x 29

Composite

88

1, 2, 4, 8, 11, 22, 44, 88

2 x 2 x 2 x 11

Composite

89

1, 89

89

Prime

90

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90

2 x 3 x 3 x 5

Composite

91

1, 7, 13, 91

7 x 13

Composite

92

1, 2, 4, 23, 46, 92

2 x 2 x 23

Composite

93

1, 3, 31, 93

3 x 31

Composite

94

1, 2, 47, 94

2 x 47

Composite

95

1, 5, 19, 95

5 x 19

Composite

96

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96

2 x 2 x 2 x 2 x 2 x 3

Composite

97

1, 97

97

Prime

98

1, 2, 7, 14, 49, 98

2 x 7 x 7

Composite

99

1, 3, 9, 11, 33, 99

3 x 3 x 11

Composite

100

1, 2, 4, 5, 10, 20, 25, 50, 100

2 x 2 x 5 x 5

Composite

Frequently Asked Questions on Factors of 1 to 100

How many factors does the number 100 have?

There are 9 factors of the number 100. They are 1, 2, 4, 5, 10, 20, 25, 50, 100.

How do we find the factors?

When we multiply two whole numbers to get another number, then the two numbers are the factors of the resulting number.

What are the factors of 200?

The factors of 200 are 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100 and 200.

What are the prime factors of 1000?

Prime Factorization of 1000: 1000 = 2 × 2 × 2 × 5 × 5 × 5. Therefore, 2 and 5 are the prime factors of 1000.

What is the GCF of 12 and 24?

Greatest common factor (GCF) of 12 and 24 is 12.

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