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Byju's Answer
Standard VI
Mathematics
Factors
Select the co...
Question
Select the composite number between 15 and 25.
A
19
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B
23
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C
17
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D
21
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Solution
The correct option is
D
21
21 is the composite number whose factors are:
1, 3, 7 and 21.
19, 23 and 17 are prime numbers.
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