31 and Mersenne Primes - Numberphile
Published January 9, 2012
Views 1.63M | Likes 12.1K | Comments 753
Based on an estimated $0.7–$2 CPM, this video's 1.63M views translate to an estimated $1.14K – $3.27K in lifetime ad revenue.
Revenue estimate
Based on an estimated $0.7–$2CPM (revenue per 1,000 views) — a rough public estimate, not actual creator earnings, which depend on ad rates, audience geography, and monetization settings YouTube doesn't expose publicly.
Total (all-time)$1.14K – $3.27K