Assertion: prime number | /r/HasProperty | useful
Facets:
value: very
type: DEGREE
value: for creating keys
type: PURPOSE
Source sentences:
text: Even the most sophisticated hacker in the world will be unable to decrypt data as long as the key remains secret -- and prime numbers are very useful for creating keys.
text: Prime numbers are useful for finding the factors of any natural number.
text: Prime numbers are very useful.