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:
116 comments Page 12 of 12.

Harika said:   6 years ago
31 is the prime number.

Vishal VR said:   3 months ago
91 is the correct answer because they divided by 7 and 13.

Durga babu said:   2 months ago
91 is the correct answer.

Pratik Munde said:   4 weeks ago
91 is correct answer because it does not divided by both 2 and 3.

Yakula Nandini said:   2 weeks ago
91 is the correct answer.

Samiksha dhoke said:   5 days ago
91 is the correct answer because it is divisible by 1, 7, and 13.


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