https://jasper-aa64.github.io/tags/lcm/Recent content in Lcm on JasperHugoen-usTue, 28 Apr 2026 00:00:00 +0800https://jasper-aa64.github.io/posts/number-theory-1-elementary/Tue, 28 Apr 2026 00:00:00 +0800https://jasper-aa64.github.io/posts/number-theory-1-elementary/GCD/LCM properties, Bézout/Frobenius, Euler’s theorem with power-tower reduction and φ-chain technique, congruence system merging via exGCD, CRT, and n! prime factorisation via Legendre’s formula.https://jasper-aa64.github.io/posts/number-theory-2-ex-mobius-practice/Tue, 28 Apr 2026 00:00:00 +0800https://jasper-aa64.github.io/posts/number-theory-2-ex-mobius-practice/Practice problems for Möbius inversion: LCMSUM, two-variable lcm sum (O(n^3/4)), FSF’s game with offline difference, divisor-count sum d(ij), Omega Numbers with Dirichlet suffix sum.