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PE #10
//Title of this code //'main' method must be in a class 'Rextester'. //Compiler version 1.8.0_45 import java.util.*; import java.lang.*; class Rextester { public static void main(String args[]) { int sum = 17; for(int i=10; i<2000000; i++) { if(isPrime(i)==true) { System.out.print("("+i+")"); sum+=i; } } System.out.println(sum); } public static boolean isPrime(int num) { int sqrnum = (int) Math.sqrt(num); boolean ans = true; if (num%2==0) { return false; } if (num%5==0) { return false; } if (num%3==0) { return false; } for (int i=3; i< sqrnum+1; i++) { if (num%i == 0) {ans = false; } } return ans; } }
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