Driver code
let num = 9 ; if ( isThreeDisctFactors ( num ) ) document . write ( " " ) ; else document . write ( " " ) ; num = 15 ; if ( isThreeDisctFactors ( num ) ) document . write ( " " ) ; else document . write ( " " ) ; num = 12397923568441 ; if ( isThreeDisctFactors ( num ) ) document . write ( " " ) ; else document . write ( " " ) ;