Which among the following is a
composite number?
(A) 17
(B) 19
(C) 21
(D) 23
Answers
Answered by
2
Answer:
21
Step-by-step explanation:
21 is a composite no. as it has 3 and 7 as its prime factors
Answered by
1
Answer:
21
Step-by-step explanation:
As 21 is 7*3, it is not a prime number, and so, a composite number
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