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Colouring each cell manually takes a long time, but here you can see what happens if you would do this for many more rows. And what about cells divisible by other numbers?

1
1
1
1
2
1
1
3
3
1
1
4
6
4
1
1
5
10
10
5
1
1
6
15
20
15
6
1
1
7
21
35
35
21
7
1
1
8
28
56
70
56
28
8
1
1
9
36
84
126
126
84
36
9
1
1
10
45
120
210
252
210
120
45
10
1
1
11
55
165
330
462
462
330
165
55
11
1
1
12
66
220
495
792
924
792
495
220
66
12
1
1
13
78
286
715
1287
1716
1716
1287
715
286
78
13
1
1
14
91
364
1001
2002
3003
3432
3003
2002
1001
364
91
14
1
1
15
105
455
1365
3003
5005
6435
6435
5005
3003
1365
455
105
15
1
1
16
120
560
1820
4368
8008
11440
12870
11440
8008
4368
1820
560
120
16
1
1
17
136
680
2380
6188
12376
19448
24310
24310
19448
12376
6188
2380
680
136
17
1
1
18
153
816
3060
8568
18564
31824
43758
48620
43758
31824
18564
8568
3060
816
153
18
1
1
19
171
969
3876
11628
27132
50388
75582
92378
92378
75582
50388
27132
11628
3876
969
171
19
1
1
20
190
1140
4845
15504
38760
77520
125970
167960
184756
167960
125970
77520
38760
15504
4845
1140
190
20
1
1
21
210
1330
5985
20349
54264
116280
203490
293930
352716
352716
293930
203490
116280
54264
20349
5985
1330
210
21
1
1
22
231
1540
7315
26334
74613
170544
319770
497420
646646
705432
646646
497420
319770
170544
74613
26334
7315
1540
231
22
1
1
23
253
1771
8855
33649
100947
245157
490314
817190
1144066
1352078
1352078
1144066
817190
490314
245157
100947
33649
8855
1771
253
23
1
1
24
276
2024
10626
42504
134596
346104
735471
1307504
1961256
2496144
2704156
2496144
1961256
1307504
735471
346104
134596
42504
10626
2024
276
24
1