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Earn +20 ptsQ: What are all the factors pairs of 21?
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How many factor pairs does 21 have?
The factor pairs of 21 are:1, 213, 7Therefore, the number 21 has two pairs of positive integer factors.
What are all the common factors of 21?
The factors of 21: 1, 3, 7, 21.
What are all of the factors for the number 21?
The factors of 21 are: 1, 3, 7, 21.
What are All pairs of factors of 18?
1,18 2,9 3,6
What are all the factors pairs of 54?
(54,1)(27,2)(18,3)(9,6)
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