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Q: What are the factor pairs of 81?

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Three factor pairs

Factors of 81 in pairs = 1 x 81, 3 x 27, 9 x 9, 27 x 3, 81 x 1.

1 x 81, 3 x 27, 9 x 9, 27 x 3, 81 x 1

81, as it is the highest factor of 81 (81 and 1) and is also a factor of 162 (81 and 2)

3 is the prime factor for 81.

Related questions

81 has three factor pairs: 81,1 27,3 9,9

Three factor pairs

81,127,39,9

1,81,3,27,9

81 and 1 27 and 3

(81,1)(27,3)(9,9)

(81,1)(27,3)(9,9)

(1, 81) (3, 27) (9, 9)

Factors of 81 in pairs = 1 x 81, 3 x 27, 9 x 9, 27 x 3, 81 x 1.

There are 5 factor pairs of 6,561.6561 = 1 x 65616561 = 3 x 21876561 = 9 x 7296561 = 27 x 2436561 = 81 x 81

There are 3 pairs in total 1) 1 and 81 2) 3 and 27 3) 9 and 9

There are 3. 1 x 81, 3 x 27, 9 x 9

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