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+ <?xml version =" 1.0" encoding =" UTF-8" ?>
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+ <classpath >
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+ <classpathentry kind =" con" path =" org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11" >
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+ <attributes >
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+ <attribute name =" module" value =" true" />
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+ </attributes >
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+ </classpathentry >
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+ <classpathentry kind =" src" path =" src" />
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+ <classpathentry kind =" output" path =" bin" />
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+ </classpath >
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+ /bin /
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+ <?xml version =" 1.0" encoding =" UTF-8" ?>
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+ <projectDescription >
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+ <name >P50</name >
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+ <comment ></comment >
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+ <projects >
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+ </projects >
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+ <buildSpec >
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+ <buildCommand >
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+ <name >org.eclipse.jdt.core.javabuilder</name >
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+ <arguments >
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+ </arguments >
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+ </buildCommand >
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+ </buildSpec >
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+ <natures >
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+ <nature >org.eclipse.jdt.core.javanature</nature >
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+ </natures >
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+ </projectDescription >
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+ eclipse.preferences.version =1
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+ encoding//src/P50.java =UTF-8
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+ eclipse.preferences.version =1
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+ org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode =enabled
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+ org.eclipse.jdt.core.compiler.codegen.targetPlatform =11
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+ org.eclipse.jdt.core.compiler.codegen.unusedLocal =preserve
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+ org.eclipse.jdt.core.compiler.compliance =11
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+ org.eclipse.jdt.core.compiler.debug.lineNumber =generate
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+ org.eclipse.jdt.core.compiler.debug.localVariable =generate
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+ org.eclipse.jdt.core.compiler.debug.sourceFile =generate
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+ org.eclipse.jdt.core.compiler.problem.assertIdentifier =error
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+ org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures =disabled
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+ org.eclipse.jdt.core.compiler.problem.enumIdentifier =error
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+ org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures =warning
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+ org.eclipse.jdt.core.compiler.release =enabled
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+ org.eclipse.jdt.core.compiler.source =11
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+ /**
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+ * P50 : 50 امین عدد اول
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+ *
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+ * @author Gholamali Nejad Hajali Irani
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+ * @version 1.0
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+ * @since 2021/01/02
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+ * @Team gClassAcademy
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+ * @Website https://www.youtube.com/c/gClassAcademy
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+ */
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+
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+ import java .util .Scanner ;
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+
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+ public class P50
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+ {
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+ public static void main (String [] args )
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+ {
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+ Scanner input =new Scanner (System .in );
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+
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+
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+ int primecount =0 ; //برای شمارش تعداد اعداد اول
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+ int n =0 ; //عددی که هر بار اول بودن آنرا بررسی میکنیم
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+
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+ while (primecount <50 )
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+ {
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+ n ++;
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+
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+ // بررسی اول بودن عدد n
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+ int count =0 ; //برای تعداد مقسوم علیه ها
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+ for (int x =1 ;x <=n ;x ++)
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+ if (n %x ==0 )
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+ count ++;
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+ if (count ==2 )
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+ {
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+ primecount ++;
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+ }
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+
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+ }//end of while primecount
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+
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+ System .out .println (n );
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+
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+
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+
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+ /*
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+ * for (int n=1;n<=100000;n++) { // بررسی اول بودن عدد n int count=0; //برای
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+ * تعداد مقسوم علیه ها for (int x=1;x<=n;x++) if (n%x==0) count++; if (count==2)
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+ * { primecount++; if (primecount==500) { System.out.println(primecount + ":" +
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+ * n); break; } } }// end of for n
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+ */
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+
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+
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+ }// end of main
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+ }// end of class
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