function getPrimes(n){
  var sieve=[],i,j,primes=[];
  for(i=2;i<=n;++i){
    if(!sieve[i]){
      primes.push(i);
      for(j=i<<1;j<=n;j+=i)
        sieve[j]=true;
    }
  }
  return primes;
}
function goldbach(initial){
  var list=getPrimes(initial);
  while(list.length>0){
    var item=list.shift();
    if(item*2===initial)
      return item+' + '+item;
    var index=list.indexOf(initial-item);
    if(index!==-1){
      var itemPair=list.splice(index,1)[0];
      return item+' + '+itemPair;
    }
  }
}
function main(n){
  var initial=2*n+2;
  var result=goldbach(initial);
  if(result && initial<100){
    print(initial+' = '+result);
    main(n+1);
  }
}
main(1);
 

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