Prime Factor Calculator
Prime factors of any number is the determination of the set of prime numbers which are multiply together to give the original number.
It is also known as prime decomposition.
For example
Prime factors for 188 is 2 x 2 x 47
by multiplying (2 x 2 x 47) together we get original number 188.
Prime factors Table (2 to 100)
Numbers | Factors | Prime Factors |
---|---|---|
2 | 1, 2 | 2 |
3 | 1, 3 | 3 |
4 | 1, 2, 4 | 2 x 2 |
5 | 1, 5 | 5 |
6 | 1, 2, 3, 6 | 2 x 3 |
7 | 1, 7 | 7 |
8 | 1, 2, 4, 8 | 2 x 2 x 2 |
9 | 1, 3, 9 | 3 x 3 |
10 | 1, 2, 5, 10 | 2 x 5 |
11 | 1, 11 | 11 |
12 | 1, 2, 3, 4, 6, 12 | 2 x 2 x 3 |
13 | 1, 13 | 13 |
14 | 1, 2, 7, 14 | 2 x 7 |
15 | 1, 3, 5, 15 | 3 x 5 |
16 | 1, 2, 4, 8, 16 | 2 x 2 x 2 x 2 |
17 | 1, 17 | 17 |
18 | 1, 2, 3, 6, 9, 18 | 2 x 3 x 3 |
19 | 1, 19 | 19 |
20 | 1, 2, 4, 5, 10, 20 | 2 x 2 x 5 |
21 | 1, 3, 7, 21 | 3 x 7 |
22 | 1, 2, 11, 22 | 2 x 11 |
23 | 1, 23 | 23 |
24 | 1, 2, 3, 4, 6, 8, 12, 24 | 2 x 2 x 2 x 3 |
25 | 1, 5, 25 | 5 x 5 |
26 | 1, 2, 13, 26 | 2 x 13 |
27 | 1, 3, 9, 27 | 3 x 3 x 3 |
28 | 1, 2, 4, 7, 14, 28 | 2 x 2 x 7 |
29 | 1, 29 | 29 |
30 | 1, 2, 3, 5, 6, 10, 15, 30 | 2 x 3 x 5 |
31 | 1, 31 | 31 |
32 | 1, 2, 4, 8, 16, 32 | 2 x 2 x 2 x 2 x 2 |
33 | 1, 3, 11, 33 | 3 x 11 |
34 | 1, 2, 17, 34 | 2 x 17 |
35 | 1, 5, 7, 35 | 5 x 7 |
36 | 1, 2, 3, 4, 6, 9, 12, 18, 36 | 2 x 2 x 3 x 3 |
37 | 1, 37 | 37 |
38 | 1, 2, 19, 38 | 2 x 19 |
39 | 1, 3, 13, 39 | 3 x 13 |
40 | 1, 2, 4, 5, 8, 10, 20, 40 | 2 x 2 x 2 x 5 |
41 | 1, 41 | 41 |
42 | 1, 2, 3, 6, 7, 14, 21, 42 | 2 x 3 x 7 |
43 | 1, 43 | 43 |
44 | 1, 2, 4, 11, 22, 44 | 2 x 2 x 11 |
45 | 1, 3, 5, 9, 15, 45 | 3 x 3 x 5 |
46 | 1, 2, 23, 46 | 2 x 23 |
47 | 1, 47 | 47 |
48 | 1, 2, 3, 4, 6, 8, 12, 16, 24, 48 | 2 x 2 x 2 x 2 x 3 |
49 | 1, 7, 49 | 7 x 7 |
50 | 1, 2, 5, 10, 25, 50 | 2 x 5 x 5 |
51 | 1, 3, 17, 51 | 3 x 17 |
52 | 1, 2, 4, 13, 26, 52 | 2 x 2 x 13 |
53 | 1, 53 | 53 |
54 | 1, 2, 3, 6, 9, 18, 27, 54 | 2 x 3 x 3 x 3 |
55 | 1, 5, 11, 55 | 5 x 11 |
56 | 1, 2, 4, 7, 8, 14, 28, 56 | 2 x 2 x 2 x 7 |
57 | 1, 3, 19, 57 | 3 x 19 |
58 | 1, 2, 29, 58 | 2 x 29 |
59 | 1, 59 | 59 |
60 | 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60 | 2 x 2 x 3 x 5 |
61 | 1, 61 | 61 |
62 | 1, 2, 31, 62 | 2 x 31 |
63 | 1, 3, 7, 9, 21, 63 | 3 x 3 x 7 |
64 | 1, 2, 4, 8, 16, 32, 64 | 2 x 2 x 2 x 2 x 2 x 2 |
65 | 1, 5, 13, 65 | 5 x 13 |
66 | 1, 2, 3, 6, 11, 22, 33, 66 | 2 x 3 x 11 |
67 | 1, 67 | 67 |
68 | 1, 2, 4, 17, 34, 68 | 2 x 2 x 17 |
69 | 1, 3, 23, 69 | 3 x 23 |
70 | 1, 2, 5, 7, 10, 14, 35, 70 | 2 x 5 x 7 |
71 | 1, 71 | 71 |
72 | 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72 | 2 x 2 x 2 x 3 x 3 |
73 | 1, 73 | 73 |
74 | 1, 2, 37, 74 | 2 x 37 |
75 | 1, 3, 5, 15, 25, 75 | 3 x 5 x 5 |
76 | 1, 2, 4, 19, 38, 76 | 2 x 2 x 19 |
77 | 1, 7, 11, 77 | 7 x 11 |
78 | 1, 2, 3, 6, 13, 26, 39, 78 | 2 x 3 x 13 |
79 | 1, 79 | 79 |
80 | 1, 2, 4, 5, 8, 10, 16, 20, 40, 80 | 2 x 2 x 2 x 2 x 5 |
81 | 1, 3, 9, 27, 81 | 3 x 3 x 3 x 3 |
82 | 1, 2, 41, 82 | 2 x 41 |
83 | 1, 83 | 83 |
84 | 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84 | 2 x 2 x 3 x 7 |
85 | 1, 5, 17, 85 | 5 x 17 |
86 | 1, 2, 43, 86 | 2 x 43 |
87 | 1, 3, 29, 87 | 3 x 29 |
88 | 1, 2, 4, 8, 11, 22, 44, 88 | 2 x 2 x 2 x 11 |
89 | 1, 89 | 89 |
90 | 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90 | 2 x 3 x 3 x 5 |
91 | 1, 7, 13, 91 | 7 x 13 |
92 | 1, 2, 4, 23, 46, 92 | 2 x 2 x 23 |
93 | 1, 3, 31, 93 | 3 x 31 |
94 | 1, 2, 47, 94 | 2 x 47 |
95 | 1, 5, 19, 95 | 5 x 19 |
96 | 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96 | 2 x 2 x 2 x 2 x 2 x 3 |
97 | 1, 97 | 97 |
98 | 1, 2, 7, 14, 49, 98 | 2 x 7 x 7 |
99 | 1, 3, 9, 11, 33, 99 | 3 x 3 x 11 |
100 | 1, 2, 4, 5, 10, 20, 25, 50, 100 | 2 x 2 x 5 x 5 |