Sieve of Eratosthenes
Instructions:
Starting from the smallest uncircled number (2 to start), circle the number,
and then strike out the multiples of each number from the list below. Then
repeat the procedure as long as possible. The circled numbers are the primes.
|
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
| 11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
| 21 |
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
| 31 |
32 |
33 |
34 |
35 |
36 |
37 |
38 |
39 |
40 |
| 41 |
42 |
43 |
44 |
45 |
46 |
47 |
48 |
49 |
50 |
| 51 |
52 |
53 |
54 |
55 |
56 |
57 |
58 |
59 |
60 |
| 61 |
62 |
63 |
64 |
65 |
66 |
67 |
68 |
69 |
70 |
| 71 |
72 |
73 |
74 |
75 |
76 |
77 |
78 |
79 |
80 |
| 81 |
82 |
83 |
84 |
85 |
86 |
87 |
88 |
89 |
90 |
| 91 |
92 |
93 |
94 |
95 |
96 |
97 |
98 |
99 |
100 |
Website maintained by Andy Long.
Comments appreciated.