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Earn +20 ptsQ: What is 1 3 7 21?
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What are the facors of 21?
1, 3, 7, 21 are the distinct factors of 21.
What numbers would be in a factor tree for 21?
Its factors are: 1 3 7 and 21 Note that 3 and 7 are prime numbers
What are the factors for 7 and 21?
1, 7 1, 3, 7, 21
What are the factors of 21 and 9?
The factors of 9 are: 1, 3, 9 The factors of 21 are: 1, 3, 7, 21
What goes into 18 and 21?
The factors of 21 are 1, 3, 7 and 21. The factors of 18 are 1, 2, 3, 6, and 18.
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