RV is right, there should be parentheses to reverse the order: ((22)2)2
7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 - 1
7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 - 1
Weather wrote: RV is right, there should be parentheses to reverse the order: ((22)2)2
7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 - 1