2 when multiplied by 21 = 42
2*21 = 42
6x7
They are: 2*7*3 = 42
6 and 42
As a product of its prime factors: 2*3*7 = 42
7 x 2 x 3 = 42
42
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6 / 7 2 / 21 3 / 14 1 / 42
28/ 42 ; Multiply 7 on both and get 4/6 ; multiply both numbers by 2 and you get 2/3
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.
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