Aptitude - Numbers - Discussion

Discussion Forum : Numbers - General Questions (Q.No. 12)
12.
The sum of first five prime numbers is:
11
18
26
28
Answer: Option
Explanation:

Required sum = (2 + 3 + 5 + 7 + 11) = 28.

Note: 1 is not a prime number.

Definition: A prime number (or a prime) is a natural number that has exactly two distinct natural number divisors: 1 and itself.

Discussion:
29 comments Page 3 of 3.

Bharath said:   1 decade ago
Have any formula to identify Prime number directly?

Murali said:   1 decade ago
Can you calculate sum of first 200 prime numbers.

Jay vaghela said:   1 decade ago
Pleas tell me anybody how to find prime number.

Sree said:   1 decade ago
Why 1 is not a prime number? please explain.

Rose said:   1 decade ago
What is prime number. Please explain.

Gouthami said:   8 years ago
There is any formula for this?

Hema said:   9 years ago
Why 1 is not a prime number?

Suresh said:   3 years ago
2 + 3 + 5 + 7 + 11 = 28.

Ansar said:   2 decades ago
1+2+3+5+7=18


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