Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 1)
1.
Which one of the following is not a prime number?
Answer: Option
Explanation:
91 is divisible by 7. So, it is not a prime number.
Discussion:
108 comments Page 3 of 11.
Jyoti said:
6 years ago
91 is the correct answer.
(1)
Kavitha said:
6 years ago
When we apply the condition.
n*n >=p for 91! How does that work?
(10*10>=91. Factors of 10 -2, 5, 10. So how is this condition satisfiying for the above question).?
n*n >=p for 91! How does that work?
(10*10>=91. Factors of 10 -2, 5, 10. So how is this condition satisfiying for the above question).?
Rameshwar said:
6 years ago
Thanks all.
Sangeetha said:
6 years ago
Thanks all.
Roop said:
6 years ago
Thanks all for explaining.
Sanket said:
6 years ago
Thanks all.
Nithish said:
7 years ago
Prime number is nothing but a number divisible only by one and that number. But 91 is divisible by Seven. So it's not a prime number.
Kranthi kumar said:
7 years ago
Please give me the clear explanation of the answer.
Sharmi said:
7 years ago
Thank you @Dilipkumar.
Annapurna said:
7 years ago
Thank you @Santosh.
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