2, 3, 5, 7, 11, 13, 17, 19...

Prime-Numbers.net

Where Prime Numbers mysteries are solved.

Prime Numbers 1-100 Chart

Here's a chart with all the numbers from 1-100:

Show only primes  Show only composites  Show all

NumberIs it Prime?Explanation
1No1 is neither prime nor composite. It's a special number.
2Yes2 is divisible by itself and 1.
3Yes3 is divisible by itself and 1.
4No4 is divisible by 2, so it's not prime.
5Yes5 is divisible by itself and 1.
6No6 is divisible by 2 and 3, so it's not prime.
7Yes7 is divisible by itself and 1.
8No8 is divisible by 2, so it's not prime.
9No9 is divisible by 3, so it's not prime.
10No10 is divisible by 2 and 5, so it's not prime.
11Yes11 is divisible by itself and 1.
12No12 is divisible by 2 and 3, so it's not prime.
13Yes13 is divisible by itself and 1.
14No14 is divisible by 2 and 7, so it's not prime.
15No15 is divisible by 3 and 5, so it's not prime.
16No16 is divisible by 2, so it's not prime.
17Yes17 is divisible by itself and 1.
18No18 is divisible by 2 and 3, so it's not prime.
19Yes19 is divisible by itself and 1.
20No20 is divisible by 2 and 5, so it's not prime.
21No21 is divisible by 3 and 7, so it's not prime.
22No22 is divisible by 2 and 11, so it's not prime.
23Yes23 is divisible by itself and 1.
24No24 is divisible by 2 and 3, so it's not prime.
25No25 is divisible by 5, so it's not prime.
26No26 is divisible by 2 and 13, so it's not prime.
27No27 is divisible by 3, so it's not prime.
28No28 is divisible by 2 and 7, so it's not prime.
29Yes29 is divisible by itself and 1.
30No30 is divisible by 2, 3, and 5, so it's not prime.
31Yes31 is divisible by itself and 1.
32No32 is divisible by 2, so it's not prime.
33No33 is divisible by 3 and 11, so it's not prime.
34No34 is divisible by 2 and 17, so it's not prime.
35No35 is divisible by 5 and 7, so it's not prime.
36No36 is divisible by 2 and 3, so it's not prime.
37Yes37 is divisible by itself and 1.
38No38 is divisible by 2 and 19, so it's not prime.
39No39 is divisible by 3 and 13, so it's not prime.
40No40 is divisible by 2 and 5, so it's not prime.
41Yes41 is divisible by itself and 1.
42No42 is divisible by 2, 3, and 7, so it's not prime.
43Yes43 is divisible by itself and 1.
44No44 is divisible by 2 and 11, so it's not prime.
45No45 is divisible by 3 and 5, so it's not prime.
46No46 is divisible by , so it's not prime.
47Yes47 is divisible by itself and 1.
48No48 is divisible by 2 and 3, so it's not prime.
49No49 is divisible by 7, so it's not prime.
50No50 is divisible by 2 and 5, so it's not prime.
51No51 is divisible by 3 and 17, so it's not prime.
52No52 is divisible by 2 and 13, so it's not prime.
53Yes53 is divisible by itself and 1.
54No54 is divisible by 2 and 3, so it's not prime.
55No55 is divisible by 5 and 11, so it's not prime.
56No56 is divisible by 2 and 7, so it's not prime.
57No57 is divisible by 3 and 19, so it's not prime.
58No58 is divisible by 2 and 29, so it's not prime.
59Yes59 is divisible by itself and 1.
60No60 is divisible by 2, 3, and 5, so it's not prime.
61Yes61 is divisible by itself and 1.
62No62 is divisible by 2 and 31, so it's not prime.
63No63 is divisible by 3 and 7, so it's not prime.
64No64 is divisible by 2, so it's not prime.
65No65 is divisible by 5 and 13, so it's not prime.
66No66 is divisible by 2, 3, and 11, so it's not prime.
67Yes67 is divisible by itself and 1.
68No68 is divisible by 2 and 17, so it's not prime.
69No69 is divisible by 3 and 23, so it's not prime.
70No70 is divisible by 2, 5, and 7, so it's not prime.
71Yes71 is divisible by itself and 1.
72No72 is divisible by 2 and 3, so it's not prime.
73Yes73 is divisible by itself and 1.
74No74 is divisible by 2 and 37, so it's not prime.
75No75 is divisible by 3 and 5, so it's not prime.
76No76 is divisible by 2 and 19, so it's not prime.
77No77 is divisible by 7 and 11, so it's not prime.
78No78 is divisible by 2, 3, and 13, so it's not prime.
79Yes79 is divisible by itself and 1.
80No80 is divisible by 2 and 5, so it's not prime.
81No81 is divisible by 3, so it's not prime.
82No82 is divisible by 2 and 41, so it's not prime.
83Yes83 is divisible by itself and 1.
84No84 is divisible by 2, 3 and 7, so it's not prime.
85No85 is divisible by 5 and 17, so it's not prime.
86No86 is divisible by 2 and 43, so it's not prime.
87No87 is divisible by 3 and 29, so it's not prime.
88No88 is divisible by 2 and 11, so it's not prime.
89Yes89 is divisible by itself and 1.
90No90 is divisible by 2, 3, and 5, so it's not prime.
91No91 is divisible by 7 and 13, so it's not prime.
92No92 is divisible by 2 and 23, so it's not prime.
93No93 is divisible by 3 and 31, so it's not prime.
94No94 is divisible by 2 and 47, so it's not prime.
95No95 is divisible by 5 and 19, so it's not prime.
96No96 is divisible by 2 and 3, so it's not prime.
97Yes97 is divisible by itself and 1.
98No98 is divisible by 2 and 7, so it's not prime.
99No99 is divisible by 3 and 11, so it's not prime.
100No100 is divisible by 2 and 5, so it's not prime.