2992
Using the corresponding result for three primes - a special case of the six exponentials theorem that Siegel claimed to have proven - they managed to show that the quotient of two consecutive colossally abundant numbers is always either a prime or a semiprime , that is a number with just two prime factors .
 person: Siegel
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Siegel