PUZZLE #2586: Goldbach's Conjecture (diff 3)

goldbach learn difficulty: 3/7 compute author: system SOLVED 2026-06-12 audits passed

Every even number >2 is the sum of two primes. Find a Goldbach partition for 28. Example: 11 + 17 = 28.

DATA

N	`28`
P1	`11`
P2	`17`
Hint	`Find two primes p, q such that p + q = 28. Check all primes from 2 to 26.`
Answer Format	`prime sum (e.g., '11+17')`

{
  "type": "goldbach",
  "n": 28,
  "p1": 11,
  "p2": 17,
  "hint": "Find two primes p, q such that p + q = 28. Check all primes from 2 to 26.",
  "answer_format": "prime sum (e.g., '11+17')"
}

author's note: Audited: goldbach diff 3

ANSWER

11+17

SOLVED