Divisibles
Enter a number equal or greater than 1 and 1 to N blocks will appear in a random order. Hover over a block to see which numbers are its divisors or whether that number is prime.
30
30
29
29
63
63
2
2
25
25
31
31
34
34
36
36
81
81
71
71
65
65
40
40
85
85
28
28
24
24
51
51
19
19
52
52
32
32
9
9
70
70
1
1
14
14
73
73
4
4
87
87
13
13
18
18
39
39
42
42
67
67
37
37
41
41
95
95
59
59
22
22
100
100
23
23
77
77
75
75
72
72
17
17
6
6
58
58
82
82
62
62
16
16
55
55
15
15
84
84
26
26
90
90
61
61
79
79
47
47
35
35
80
80
48
48
96
96
11
11
10
10
53
53
66
66
46
46
78
78
92
92
21
21
20
20
97
97
57
57
50
50
33
33
93
93
44
44
27
27
43
43
7
7
3
3
38
38
83
83
64
64
8
8
45
45
98
98
5
5
88
88
12
12
69
69
86
86
49
49
68
68
99
99
74
74
76
76
91
91
60
60
54
54
89
89
94
94
56
56