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:
107 comments Page 11 of 11.
Roop said:
6 years ago
Thanks all for explaining.
Rameshwar said:
6 years ago
Thanks all.
Sangeetha said:
6 years ago
Thanks all.
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).?
Swathi said:
5 years ago
Thanks all.
Pooja said:
5 years ago
n*n>=p in this form, how take that value by comparing p? Please explain anyone.
Harika said:
5 years ago
31 is the prime number.
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