Skip to content / Đến nội dung
ThichHocToan.com

MathNet 2019-part-03 — 184 problems (EN–VI) Question 121

Math Olympiad Vault · MathNet 2019-part-03 — 184 problems (EN–VI)

Question 121

Ten distinct positive integers are given. Hessam calculates all the gcd's and the lcm's of these numbers and gives them to Masoud. Is it possible for Masoud to use these 90 received numbers and figure out the original 10 numbers?