Simplify the following text for a Grade 9 native English-speaking person.
Original: It has been conjectured that infinitely many Wilson primes exist , and that the number of Wilson primes in an interval ( x , y ) is about log ( log ( y ) \/ log ( x ) ) .
Simplified: It has been conjectured that there are an infinite number of Wilson primes , and that the number of Wilson primes in an interval is about