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

Video Lesson on Prime Factors

Frequently Asked Questions on Factors of 1 to 100

Q1

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.

Q2

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.

Q3

What are the factors of 200?

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

Q4

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.

Q5

What is the GCF of 12 and 24?

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

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