149 and 3
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2 + 71 + 79 = 152
if you mean what three prime numbers add up to a prime number then the answer is : 5 + 7 + 11 = 23
No two prime numbers can add to 119.
How about: 191+5 = 196 which are both prime numbers
The given numbers of 15 and 35 are not prime numbers but they add up to 50