Crux Mathematicorum Vol. 43, No. 1 « v42, n10 indexv43, n2 » January, 2017 PageContents 3 Editorial — Kseniya Garaschuk 5 The Contest Corner: No. 51 — John McLoughlin 5 Problems: CC251 - CC255 8 Solutions: CC201 - CC205 12 The Olympiad Corner: No. 349 — Carmen Bruni 12 Problems: OC311 - OC315 13 Solutions: OC251 - OC255 16 Focus On...: No. 25 — Michel Bataille 21 Products That Are Powers — Ted Barbeau 24 Problems: 4201 - 4210 28 Solutions: 4101 - 4110 40 Solvers and Proposers Index Read the issue below Download this issue (PDF) Crux Mathematicorum