Maths Olympiad Prep

Library / /225 of 387

, 2009

Number theory Difficulty 2.0 Junior Find the answer Canada

A positive integer larger than 2 is called composite if it is not prime. What is the smallest prime number that is the sum of three different composite numbers?

(A) 1111 (B) 1313 (C) 1717 (D) 1919 (E) 2323

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.