\phi(48) = 48 \left(1 - \frac12\right)\left(1 - \frac13\right) = 48 \cdot \frac12 \cdot \frac23 = 48 \cdot \frac13 = 16 - AMAZONAWS

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$\phi(48) = 48 \left(1 - \frac{1}{2}\right)\left(1 - \frac{1}{3}\right) = 48 \cdot \frac{1}{2} \cdot \frac{2}{3} = 48 \cdot \frac{1}{3} = 16$