There are 3 factor pairs of 63: 63 = 1 x 63 63 = 3 x 21 63 = 7 x 9
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The factor pairs of 63 are the pairs of numbers that multiply together to equal 63. These pairs are (1, 63), (3, 21), and (7, 9). Factors are always in pairs, with one factor being less than or equal to the square root of the number, and the other factor being greater than or equal to the square root of the number.
Well, honey, let me break it down for you. The factor pairs for 63 are 1 and 63, 3 and 21, and 7 and 9. It's as simple as that, no need to complicate things.
There are 3 factor pairs of 63:63 = 1 x 6363 = 3 x 2163 = 7 x 9
(1, 63) (3, 21) (7, 9)
1 and 189, 3 and 63, 7 and 27, 9 and 21
The factor pairs of 126 are 1 x 126, 2 x 63, 3 x 42, 6 x 21, 7 x 18, and 9 x 14
The factor pairs of 57 are 3x19 and 1x57