1 and 42 are one pair. 7 and 6 are another along with 21 and 2
2*21 = 42
6x7
They are: 2*7*3 = 42
7 x 2 x 3 = 42
42
-31
6 / 7 2 / 21 3 / 14 1 / 42
-43
41
They are: 6 and -7
1332
You can multiply any of the combinations below 1 and 42 2 and 21 3 and 14 6 and 7 There are an infinite number of combinations if the numbers are not restricted to just positive integers.