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Which is a factor of 21? 4 3 6 5
110k views
2 votes
Which is a factor of 21?
4
3
6
5

User Fileunderwater
by
4.8k points

2 Answers

3 votes

Answer: 3

Explanation:

3 is the only number you can multiply to get 21. Example 3x7=21

User Chornge
by
5.4k points
4 votes

Answer:

3

Explanation:

Using listing:


1 * 21 = 21


3 * 7 = 21

No other factors are possible.

Hence, 1, 3, 7 and 21 are factors of 21.

User Tien Dung Tran
by
4.4k points
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