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Which of the following is a prime number ?
Answer & Solution
Correct Answer:
Option
C
We know that 115 is divisible by 5, so it is not prime.
119 is divisible by 7, so it is not prime.
127 < (12)2 and prime numbers less than 12 are 2, 3, 5, 7, 11.
Clearly, 127 is not exactly divisible by any of them.
Hence, 127 is a prime number.
119 is divisible by 7, so it is not prime.
127 < (12)2 and prime numbers less than 12 are 2, 3, 5, 7, 11.
Clearly, 127 is not exactly divisible by any of them.
Hence, 127 is a prime number.
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