17
420
what prime numbers have the sum of 54
No, the sum of a prime number and a composite number is not always even.
Sum of what?
sum of the 13th and 14th and 15th prime numbers = 1311st to 12 prime numbers = 2, 3,5,7,11,13,17,19,23,29,31,3713th prime number = 4114th prime number = 4315th prime number = 47=================sum.......................=131
11,10
The sum of two prime numbers greater than 2 is an even number. The sum of 2 and any other prime number is an odd number.
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.
The answer depends on the sum of WHAT!
The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a prime number, not a composite number.
23
If: x+x2 = 110 then x = 10 which is the solution