Add them up.
2 3 5 7 11 13 17
Sum of first 7 prime numbers is equal to 2+3+5+7+11+13+17 = 58.
The sum of the smallest and largest prime numbers within 10 is 7.
11,13,19
The first five prime numbers are 2,3,5,7,11. The sum of the first five prime numbers is 28.The sum is: 2+3+5+7+11 = 28
The sum of 7 and 19 is 26.
The sum of any two prime numbers may or may not be prime. The sum of the two prime numbers 2 and 3 is the prime number 5, and the sum of the two prime numbers 5 and 7 is the composite number 12.
I assume you are asking the question "what two prime numbers sum to 44". There may be other pairs of prime numbers that sum to 44, but 37 and 7 are both primes and their sum = 44.
The first five prime numbers are 2, 3, 5, 7, 11. The sum of these five numbers is 28.
5 and 7
5 and 2
7 + 3
The smallest four prime numbers are 2, 3, 5, 7, and their sum happens to be a prime.