Aptitude - Numbers - Discussion

Discussion Forum : Numbers - General Questions (Q.No. 1)

Numbers

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 6 of 11.

R.DEIVASIGAMANI said: 1 decade ago

How to identify prime number and not prime number by easy method?

Gomathi said: 1 decade ago

Thank you santhosh. And explain with one or more examples please.

Rajesh said: 8 years ago

The Prime number means any number is divisible by one and itself.

Jaanu Jaanu said: 3 years ago

Thanks both of you for the clear explanations. @Hafiz and@ Dilip.

(7)

Shamanth said: 9 years ago

How can we find the number of prime numbers below 'n' numbers ?

Unaisvatts said: 1 decade ago

@KARTHIK.

If number is 97.

9-(2*7) = is not positive number.

Dharmendra said: 1 decade ago

What is the meaning of " k " ? 6k+1 or 6k-1 please explain.

Hariharan said: 1 decade ago

Hi, santhosh.

Please explain your formula with an example.

Narender reddy said: 10 years ago

I want to clear explanation prime no's and not prime no's.

Jeevitha said: 1 decade ago

Please give me detailed explanation about prime number.

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