Crux Mathematicorum Vol. 52, No. 7 « v52, n6 indexlast September, 2026 PageContents 317 Congratulations to Jacob Tsimerman 318 In Memoriam: Florian Luca 320 MathemAttic: No. 77 320 Problems: MA381–MA385 323 Solutions: MA356–MA360 327 Problem Solving Vignettes: No. 43 — Shawn Godin 333 Olympiad Corner: No. 445 333 Problems: OC791–OC795 337 Solutions: OC766–OC770 342 On p-adic valuations of sums — CJ Quines 345 Problems: 5161–5170 349 Solutions: 5111–5120 Read the issue below Download this issue (PDF) Crux Mathematicorum