2, 3, and 13 are all prime numbers and their sum is equal to 18.
The three numbers are 205, 207 and 209.
21,22,23 21,22,23
The numbers are 69, 70, and 71.
The smallest is 15.
19 & 17
which three prime numbers have a sum of 59
Two prime numbers can have only one sum, not three different sums!
There are not three prime numbers that have the sum of 3. The smallest prime number is 2. If all three prime numbers were 2, the sum would 2 + 2 + 2 = 6, so that is the smallest number that is the sum of three prime numbers.
27
15
The sum of three odd numbers will be odd, whether they are prime or not. The sum of three prime numbers can be even as long as one of them is 2.
The sum of the first five prime numbers is 28. The sum of the cubes of the first three prime numbers is 160. The average of 28 and 160 is 94.
10 = 2 + 3 +5
532
The sum of the first three prime numbers that end with a 9 (19,29,59) is 107
They are: 3+5+11 = 19
The sum of the three greatest prime numbers that are less than 39 is 97.