Aptitude - Numbers - Discussion

Discussion Forum : Numbers - General Questions (Q.No. 1)
1.
Which one of the following is not a prime number?
31
61
71
91
Answer: Option
Explanation:
91 is divisible by 7. So, it is not a prime number.
Discussion:
112 comments Page 10 of 12.

Kishore said:   9 years ago
13*7=91 so not prime number.

Roop said:   7 years ago
Thanks all for explaining.

Jyoti said:   7 years ago
91 is the correct answer.
(1)

Ajeejul said:   2 years ago
91 is the correct answer.
(19)

GooduriJagadeesh said:   7 months ago
Thanks for explaining it.
(3)

Yogendra said:   1 decade ago
Thanks santosh very much

Harika said:   5 years ago
31 is the prime number.

Sharmi said:   8 years ago
Thank you @Dilipkumar.

Ramanna said:   1 decade ago
What is prime number?

Ramanna said:   1 decade ago
What is prime number?


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