Question
Choose the option which contains set of prime numbers.
Answer: Option C
:
C
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:
C
Prime numbers have only two factors, 1 and the number itself.
1 is neither prime nor composite.
2 is the only even prime number.
9 and 39 have more than 2 factors, hence they are not prime numbers.
Considering all these, the correct option is 19, 13, 11, 7 and 3.
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