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:
116 comments Page 8 of 12.
Shailendra kumar said:
1 decade ago
After 4! all the no is divisible by 5! so answer is (1+2+6+24)/6 = 33/6 = 3 (rem).
Mahaboob basha said:
1 decade ago
Hi friends I have a doubt please clear it.
What is the remainder when 1!+2!+3!+4!+5!+....+50! is divided by 5!?
What is the remainder when 1!+2!+3!+4!+5!+....+50! is divided by 5!?
Ramanna said:
1 decade ago
What is prime number?
Ramanna said:
1 decade ago
What is prime number?
Reshma said:
1 decade ago
Explain one example with 3 digit number?
Kavitha said:
1 decade ago
Please, give me detailed explanation about the prime number and solve the steps one by one in the problem.
Manju gouda said:
1 decade ago
Basically a number is prime no. If it has exactly 2 distinct factors. For e.g for 13 factors are 13 and 1. So it is a prime number. But for 1 factors are 1 only. So it is not a prime number.
Tinku das said:
1 decade ago
I want to know why 1 is not prime no?
Shaziya said:
1 decade ago
A negative number can be a prime number?
Kaviya said:
1 decade ago
Which number is only divisible by 1 and the same number is called prime number.
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