d | Terms k with ord(2,d) = k | Zs(d,2,1)/k if d is odd, | | (Zs(d,2,1)*Zs(d/2,2,1))/k if d is even 2 | 3 = 3 | 1 3 | 7 = 7 | 1 5 | 31 = 31 | 1 7 | 127 = 127 | 1 8 | 85 = 5*17 | 1 9 | 73 = 73 | 1 11 | 2047 = 23*89 | 1 13 | 8191 = 8191 | 1 16 | 4369 = 17*257 | 1 17 | 131071 = 131071 | 1 19 | 524287 = 524287 | 1 20 | 11275 = 5^2*11*41 | 1/25 22 | 60787 = 89*683 | 23 23 | 178481 = 178481 | 47 24 | 3133 = 13*241 | 1 25 | 1082401 = 601*1801 | 1 27 | 262657 = 262657 | 1 28 | 140911 = 29*43*113 | 1 29 | 486737 = 233*2089 | 1103 30 | 49981 = 151*331 | 1 31 | 2147483647 = 2147483647 | 1 32 | 16843009 = 257*65537 | 1 33 | 599479 = 599479 | 1 35 | 8727391 = 71*122921 | 1 36 | 76627 = 19*37*109 | 1 37 | 616318177 = 616318177 | 1 39 | 121369 = 121369 | 1 40 | 2528921 = 41*61681, 16962275 = 5^2*11*61681 | 1, 41/275 41 | 164511353 = 164511353 | 1 42 | 1826203 = 337*5419 | 1 43 | 905040953 = 431*2099863, 20408568497 = 9719*2099863 | 9719, 431 44 | 165965585 = 5*23*683*2113 | 397/115 45 | 14709241 = 631*23311 | 1 46 | 131421541 = 47*2796203 | 47 47 | 31184907679 = 2351*13264529, 59862819377 = 4513*13264529 | 4513, 2351