Problem
NT-B2-M06-P003 Fives
#3
★★☆☆☆ Level 2 of 5
Find \(v_5(6^{50}-1)\).
\(5\mid6-1\).
\(v_5(6^{50}-1)=v_5(5)+v_5(50)=1+2=3\).
Another short drill.