Project euler problem 12 help needed

public class Problem12 {

	public static void main(String[] args) {
		int [] array = new int [501];
		long trinumber = 0;
		int j;
		
		for(int i = 1;; i ++){
			j = 0;
			for(int k = 1; k<=trinumber;k++){
				
				if (trinumber%k == 0)
				{array[j] = k;
				j++;}
				
			}
			if (array[500] !=0)
				{System.out.println(trinumber);
				return;}
			
			trinumber+=i;
				}
		
		}
		
	
	}