@@ -137,24 +137,26 @@ console.log(x+ " is "+ res+ " number")
137137
138138//10 Check the number is prime or not
139139// A prime number is a positive integer that is only divisible by 1 and it self.Example:2,3,5,7,11
140- var number = parseInt ( prompt ( "Please enter a number" ) ) ;
141140
142- if ( number == 1 ) {
143- console . log ( number + " nither is prime nor composite" )
144- }
145- else if ( number < 1 ) {
146- console . log ( number + " is not a prime number" )
147- } else {
148- for ( var i = 2 ; i < number ; i ++ ) {
149- if ( number % i == 0 ) {
150- var res = console . log ( number + " is not a prime number" )
151- break ;
152- }
153- else {
154- var res = console . log ( number + " is a prime number" )
141+ 142+ 143+ var x = parseInt ( prompt ( "Enter a value" ) ) ;
144+ 145+ if ( x == 1 ) {
146+ console . log ( "Neither prime nor composite: " + x ) ;
147+ } else if ( x < 1 ) {
148+ console . log ( x + " is not a prime number" ) ;
149+ } else if ( x == 2 ) {
150+ console . log ( "2 is a prime number" ) ;
151+ } else {
152+ var isPrime = true ;
153+ for ( var i = 2 ; i < x ; i ++ ) {
154+ if ( x % i == 0 ) {
155+ isPrime = false ;
156+ break ;
157+ }
155158 }
156- }
157- console . log . apply ( res )
159+ console . log ( x + ( isPrime ? " is a prime number" : " is not a prime number" ) ) ;
158160}
159161
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