Q.

Write the prime numbers between 50 to 100.


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a

53, 59, 61, 67, 71, 73, 79, 83, 89, and 97

b

53, 59, 61, 67, 71, 73, 79, 83, 89, 97, and 99

c

53, 59, 61, 67, 71, 73, 79, 83, and 89

d

None of these 

answer is A.

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Detailed Solution

Concept- A prime number is indeed a natural number greater than one that has only the factors 1 and itself.
In order to find the prime numbers between 50 to 100, remove all of the even numbers, remove all numbers that end in 5, and remove the numbers that are divisible by 3,7,11.
Now, we can write all of the numbers between 50 and 100 that have only two factors.
53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.
Hence, the correct answer is option 1) 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97.
 
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