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IMSO 2025 Mathematics — International Short Answer Question 6

IMSO Maths · IMSO 2025 Mathematics — International Short Answer

Question 6

Let A, B, C, D, E, F, G and H be a re-arrangement of prime numbers 2, 3, 5, 7, 11, 13, 17 and 19. What is the smallest possible value of $A\times B+C\times D+E\times F+G\times H$?