The article linked refers to the smallest of four prizes offered. $50,000 to the first individual or group who discovers a prime number with at least 1,000,000

The article linked refers to the smallest of four prizes offered. $50,000 to the first individual or group who discovers a prime number with at least 1,000,000 decimal digits (awarded Apr. 6, 2000) $100,000 to the first individual or group who discovers a prime number with at least 10,000,000 decimal digits (awarded Oct. 22, 2009) $150,000 to the first individual or group who discovers a prime number with at least 100,000,000 decimal digits $250,000 to the first individual or group who discovers a prime number with at least 1,000,000,000 decimal digits