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Q.

Is it true that the number 161 is a prime number?


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a

True

b

False 

answer is B.

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Detailed Solution

The given number is 161.
The numbers which are only divisible by itself and the number 1 are called the prime numbers.
The number 161 has 1, 7, 23, 161 as its factors.
The given number 161 is not only divisible by 1 and itself but also divisible by its factors.
Thus, 161 is not a prime number and the given statement is false.
Therefore, the given statement is false and option 2 is correct.
 
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Is it true that the number 161 is a prime number?