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Q.

Is it true that 97 is the largest 2-digit prime number?


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a

True

b

False 

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Detailed Solution

Given data:
97 is the largest 2-digit prime number.
A prime number has only two factors 1 and the number itself.
We know that the largest 2-digit number is 99.
But 99 is divisible by 3 therefore 99 cannot be a prime number.
98 is an even number thus 98 is not a prime number.
97 is a prime number as 97 has only two factors 1 and 97 (the number itself).
Therefore, the given statement is true.
Hence, option 1 is correct.
 
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Is it true that 97 is the largest 2-digit prime number?