Not necessarily. (6,6) is a factor pair of 36, but only one of the sixes is a distinct factor of 36.
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How they're listed. The factors of 20 are 1, 2, 4, 5, 10, 20 The factor pairs of 20 are (20,1)(10,2)(5,4)
Factors: 1, 3, 9, 27. Pairs: (1,27);(3,9).
The factors of 8 are: 1,2,4,and 8. The factor pairs of 8 are: 1x8 2x4 These are the only two factor pairs
Factor pairs are just the factors of a number listed in a different way. The factors of 20 are 1, 2, 4, 5, 10, 20 The factor pairs of 20 are (20,1)(10,2)(5,4)
Factors of 21 are 1, 3, 7, and 21; the factor pairs are (1 x 21) and (3 x 7).