Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 9)
9.
Which of the following is a prime number ?
Answer: Option
Explanation:
Clearly, 97 is a prime number.
Discussion:
47 comments Page 4 of 5.
Deepi said:
1 decade ago
I accept niranjan nandu explanation 97 is a prime number its very clear.
Pavan.k said:
1 decade ago
Note # 1 is neither prime nor composite number.
Kannan said:
1 decade ago
What is mean prime number?
Lalita said:
1 decade ago
Which is divisible by 1 and itself only is called prime number.
Mubarak dme said:
1 decade ago
This is divisible by 1 and at the same time it also divisible by same number this is called prime number.
Vishal kesari said:
1 decade ago
Because 97 is only number which is divided by one and itself.
Dhiru said:
9 years ago
Find the square root of the number i.e. square root of the 97 is 9 point something Now divide the 97 by each prime less than 9 if it not divisible it will be prime.
Poorvi said:
1 decade ago
97. Nearest square = 10*10 > 97.
Check if 97 is divisible by prime numbers less than 10. i.e.., 2, 3, 5, 7.
If it is not divisible the given number is a prime number.
Similarly for other numbers.
Check if 97 is divisible by prime numbers less than 10. i.e.., 2, 3, 5, 7.
If it is not divisible the given number is a prime number.
Similarly for other numbers.
Sushma said:
1 decade ago
Is 93 is divisible by any numbers. Please explain?
Khin myat kyu said:
1 decade ago
93 is divisible by 3.
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