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Earn +20 ptsQ: How many factors does 21 have?
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How many factors does the number 21 have?
4 factors they are 1,3,7 and 21
How many prime numbers are there in 21?
21 has two prime factors.
What are the factors in 21?
The factors of 21 are 1, 3, 7, and 21
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.
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