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SEAMO 2018 — Paper E — Grade 9–10 Question 8

SEAMO · SEAMO 2018 — Paper E — Grade 9–10

Question 8

Goldbach’s conjecture suggests every even integer greater than $2$ is a sum of two primes. Write $186$ as such a sum. What is the greatest possible product of the two primes?
  1. $905$
  2. $1153$
  3. $8633$
  4. $2249$
  5. None of the above