1 digit x 1 digit
5x1
5
12 x 3
36
124 x 2
248
1,248 x 3
3, 744
12,468 x 3
37,404
7x2
14
24 x 3
72
357 x 2
714
3,576 x 4
14,304
35,729 x 4
142,916
4x4
16
57 x 4
228
273 x 7
1,911
6,829 x 5
34,145
68,214 x 5
341,070
6x8
48 x 6
288
682 x 5
3,410
4,912 x 6
29,472
49,186 x 6
295,116
9x9
81
69 x 7
483
491 x 6
2,946
7,365 x 7
51,555
73,502 x 7
514,514