57409
Graham , Knuth and Patashnik have proposed that the notation be used to indicate that and are relatively prime and that the term " prime " be used instead of coprime ( as in is " prime " to ) .
 Graham, Knuth, Patashnik
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Graham, Knuth, Patashnik