Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 12)
12.
The sum of first five prime numbers is:
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 2 of 3.
Gouthami said:
8 years ago
There is any formula for this?
Lucky said:
9 years ago
Formula for finding the sum of first n natural numbers? Please tell me.
Hema said:
9 years ago
Why 1 is not a prime number?
Shakeer said:
1 decade ago
A number having only two factors such as 1 and itself is called prime number.
Murali said:
1 decade ago
Can you calculate sum of first 200 prime numbers.
Ansar said:
2 decades ago
1+2+3+5+7=18
Bharath said:
1 decade ago
Have any formula to identify Prime number directly?
HUZAIFA JALAL said:
1 decade ago
A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself.
Sree said:
1 decade ago
Why 1 is not a prime number? please explain.
Kirankumar said:
1 decade ago
The number which has only two factors like 1 and itself known as prime number.
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