Number Is it Prime? Explanation
1 No 1 is neither prime nor composite. It's a special number.
2 Yes 2 is divisible by itself and 1.
3 Yes 3 is divisible by itself and 1.
4 No 4 is divisible by 2, so it's not prime.
5 Yes 5 is divisible by itself and 1.
6 No 6 is divisible by 2 and 3, so it's not prime.
7 Yes 7 is divisible by itself and 1.
8 No 8 is divisible by 2, so it's not prime.
9 No 9 is divisible by 3, so it's not prime.
10 No 10 is divisible by 2 and 5, so it's not prime.
11 Yes 11 is divisible by itself and 1.
12 No 12 is divisible by 2 and 3, so it's not prime.
13 Yes 13 is divisible by itself and 1.
14 No 14 is divisible by 2 and 7, so it's not prime.
15 No 15 is divisible by 3 and 5, so it's not prime.
16 No 16 is divisible by 2, so it's not prime.
17 Yes 17 is divisible by itself and 1.
18 No 18 is divisible by 2 and 3, so it's not prime.
19 Yes 19 is divisible by itself and 1.
20 No 20 is divisible by 2 and 5, so it's not prime.
21 No 21 is divisible by 3 and 7, so it's not prime.
22 No 22 is divisible by 2 and 11, so it's not prime.
23 Yes 23 is divisible by itself and 1.
24 No 24 is divisible by 2 and 3, so it's not prime.
25 No 25 is divisible by 5, so it's not prime.
26 No 26 is divisible by 2 and 13, so it's not prime.
27 No 27 is divisible by 3, so it's not prime.
28 No 28 is divisible by 2 and 7, so it's not prime.
29 Yes 29 is divisible by itself and 1.
30 No 30 is divisible by 2, 3, and 5, so it's not prime.
31 Yes 31 is divisible by itself and 1.
32 No 32 is divisible by 2, so it's not prime.
33 No 33 is divisible by 3 and 11, so it's not prime.
34 No 34 is divisible by 2 and 17, so it's not prime.
35 No 35 is divisible by 5 and 7, so it's not prime.
36 No 36 is divisible by 2 and 3, so it's not prime.
37 Yes 37 is divisible by itself and 1.
38 No 38 is divisible by 2 and 19, so it's not prime.
39 No 39 is divisible by 3 and 13, so it's not prime.
40 No 40 is divisible by 2 and 5, so it's not prime.
41 Yes 41 is divisible by itself and 1.
42 No 42 is divisible by 2, 3, and 7, so it's not prime.
43 Yes 43 is divisible by itself and 1.
44 No 44 is divisible by 2 and 11, so it's not prime.
45 No 45 is divisible by 3 and 5, so it's not prime.
46 No 46 is divisible by , so it's not prime.
47 Yes 47 is divisible by itself and 1.
48 No 48 is divisible by 2 and 3, so it's not prime.
49 No 49 is divisible by 7, so it's not prime.
50 No 50 is divisible by 2 and 5, so it's not prime.
51 No 51 is divisible by 3 and 17, so it's not prime.
52 No 52 is divisible by 2 and 13, so it's not prime.
53 Yes 53 is divisible by itself and 1.
54 No 54 is divisible by 2 and 3, so it's not prime.
55 No 55 is divisible by 5 and 11, so it's not prime.
56 No 56 is divisible by 2 and 7, so it's not prime.
57 No 57 is divisible by 3 and 19, so it's not prime.
58 No 58 is divisible by 2 and 29, so it's not prime.
59 Yes 59 is divisible by itself and 1.
60 No 60 is divisible by 2, 3, and 5, so it's not prime.
61 Yes 61 is divisible by itself and 1.
62 No 62 is divisible by 2 and 31, so it's not prime.
63 No 63 is divisible by 3 and 7, so it's not prime.
64 No 64 is divisible by 2, so it's not prime.
65 No 65 is divisible by 5 and 13, so it's not prime.
66 No 66 is divisible by 2, 3, and 11, so it's not prime.
67 Yes 67 is divisible by itself and 1.
68 No 68 is divisible by 2 and 17, so it's not prime.
69 No 69 is divisible by 3 and 23, so it's not prime.
70 No 70 is divisible by 2, 5, and 7, so it's not prime.
71 Yes 71 is divisible by itself and 1.
72 No 72 is divisible by 2 and 3, so it's not prime.
73 Yes 73 is divisible by itself and 1.
74 No 74 is divisible by 2 and 37, so it's not prime.
75 No 75 is divisible by 3 and 5, so it's not prime.
76 No 76 is divisible by 2 and 19, so it's not prime.
77 No 77 is divisible by 7 and 11, so it's not prime.
78 No 78 is divisible by 2, 3, and 13, so it's not prime.
79 Yes 79 is divisible by itself and 1.
80 No 80 is divisible by 2 and 5, so it's not prime.
81 No 81 is divisible by 3, so it's not prime.
82 No 82 is divisible by 2 and 41, so it's not prime.
83 Yes 83 is divisible by itself and 1.
84 No 84 is divisible by 2, 3 and 7, so it's not prime.
85 No 85 is divisible by 5 and 17, so it's not prime.
86 No 86 is divisible by 2 and 43, so it's not prime.
87 No 87 is divisible by 3 and 29, so it's not prime.
88 No 88 is divisible by 2 and 11, so it's not prime.
89 Yes 89 is divisible by itself and 1.
90 No 90 is divisible by 2, 3, and 5, so it's not prime.
91 No 91 is divisible by 7 and 13, so it's not prime.
92 No 92 is divisible by 2 and 23, so it's not prime.
93 No 93 is divisible by 3 and 31, so it's not prime.
94 No 94 is divisible by 2 and 47, so it's not prime.
95 No 95 is divisible by 5 and 19, so it's not prime.
96 No 96 is divisible by 2 and 3, so it's not prime.
97 Yes 97 is divisible by itself and 1.
98 No 98 is divisible by 2 and 7, so it's not prime.
99 No 99 is divisible by 3 and 11, so it's not prime.
100 No 100 is divisible by 2 and 5, so it's not prime.
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