A factor of a double Mersenne number MMp has form 2*k*Mp+1. We are testing the small k.
All k < 2,000,000 have been presieved up to the shown limits.
| 32 T | 33 T | 53 T | 65 T | 81 T | 110 T | 115 T | 132 T | 200 T | 375 T | 450 T | 475 T | 500 T | 1 P |
| MM( 34 ) | MM( 35 ) | MM( 36 ) | MM( 37 ) | MM( 38 ) | MM( 39 ) | MM( 40 ) | MM( 41 ) | MM( 42 ) | MM( 43 ) | MM( 44 ) | MM( 45 ) | MM( 46 ) | MM( 47 ) | MM( 48 ) | MM( 49 ) | MM( 50 ) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1257787 | 1398269 | 2976221 | 3021377 | 6972593 | 13466917 | 20996011 | 24036583 | 25964951 | 30402457 | 32582657 | 37156667 | 42643801 | 43112609 | 57885161 | 74207281 | 77232917 |
| 1500044 | 1453853 | 350165 | 310769 | 113501 | 100521 | 569 | 125 | 45 | 41 | 60 | 24 | 33 | 201 | 249 | 113 | 104 |
| 1500045 | 1453961 | 350184 | 310809 | 113676 | 100536 | 608 | 152 | 68 | 89 | 140 | 44 | 69 | 233 | 329 | 176 | 149 |
| 1500092 | 1453988 | 350241 | 310889 | 113741 | 100580 | 645 | 305 | 168 | 96 | 276 | 48 | 96 | 273 | 341 | 224 | 168 |
| 1500105 | 1454133 | 350261 | 310965 | 113853 | 100596 | 680 | 404 | 177 | 113 | 305 | 77 | 189 | 513 | 485 | 284 | 209 |
| 1500389 | 1454169 | 350328 | 310973 | 113909 | 100664 | 900 | 473 | 180 | 116 | 353 | 80 | 233 | 521 | 504 | 293 | 228 |
| 1500557 | 1454229 | 350336 | 311001 | 114021 | 100700 | 1008 | 485 | 257 | 156 | 356 | 168 | 285 | 560 | 608 | 296 | 233 |
| 1500893 | 1454240 | 350364 | 311036 | 114041 | 100904 | 1113 | 488 | 305 | 173 | 413 | 212 | 293 | 593 | 629 | 345 | 404 |
| 1500897 | 1454288 | 350445 | 311124 | 114065 | 100965 | 1133 | 573 | 332 | 309 | 429 | 308 | 369 | 656 | 653 | 369 | 476 |
| 1500920 | 1454420 | 350448 | 311160 | 114081 | 101105 | 1157 | 593 | 369 | 320 | 513 | 324 | 380 | 660 | 681 | 405 | 521 |
| 1500944 | 1454529 | 350460 | 311196 | 114120 | 101109 | 1184 | 617 | 389 | 389 | 528 | 332 | 441 | 668 | 684 | 425 | 545 |
| 1501053 | 1454568 | 350504 | 311213 | 114125 | 101193 | 1208 | 672 | 429 | 468 | 600 | 368 | 468 | 684 | 716 | 464 | 585 |
| 1501340 | 1454576 | 350516 | 311240 | 114144 | 101208 | 1517 | 768 | 444 | 476 | 716 | 405 | 485 | 713 | 816 | 468 | 605 |
| 1501424 | 1454588 | 350585 | 311316 | 114173 | 101348 | 1608 | 1080 | 537 | 525 | 809 | 429 | 504 | 753 | 936 | 540 | 641 |
| 1501445 | 1454624 | 350601 | 311481 | 114233 | 101409 | 1769 | 1260 | 552 | 533 | 860 | 437 | 648 | 800 | 1005 | 561 | 684 |
| 1501464 | 1454660 | 350604 | 311636 | 114261 | 101528 | 1772 | 1353 | 608 | 573 | 884 | 480 | 749 | 809 | 1073 | 653 | 884 |
| 1501605 | 1454724 | 350681 | 311661 | 114284 | 101568 | 1869 | 1440 | 672 | 608 | 1080 | 525 | 768 | 860 | 1089 | 749 | 1005 |
| 1501677 | 1454780 | 350765 | 311681 | 114393 | 101616 | 1917 | 1464 | 780 | 629 | 1089 | 552 | 813 | 888 | 1253 | 848 | 1089 |
| 1501764 | 1454801 | 350769 | 311693 | 114504 | 101684 | 1965 | 1640 | 812 | 644 | 1133 | 557 | 816 | 944 | 1433 | 900 | 1229 |
| 1501809 | 1454840 | 350829 | 311700 | 114569 | 101700 | 2069 | 1665 | 828 | 701 | 1148 | 569 | 833 | 965 | 1533 | 989 | 1241 |
| 1501844 | 1454933 | 350885 | 311708 | 114701 | 101724 | 2120 | 1797 | 917 | 720 | 1185 | 600 | 924 | 1109 | 1704 | 1148 | 1404 |
| 1501848 | 1455044 | 350940 | 311745 | 114768 | 101856 | 2132 | 1845 | 980 | 809 | 1196 | 605 | 1049 | 1124 | 1713 | 1269 | 1428 |
| 1501892 | 1455113 | 350945 | 311756 | 114788 | 101864 | 2184 | 1904 | 1020 | 993 | 1424 | 684 | 1064 | 1185 | 1733 | 1308 | 1449 |
| 1501908 | 1455153 | 350961 | 311789 | 114884 | 101981 | 2240 | 1920 | 1040 | 1056 | 1448 | 753 | 1140 | 1196 | 1760 | 1364 | 1509 |
| 1501988 | 1455173 | 351024 | 312081 | 115073 | 102180 | 2253 | 1992 | 1052 | 1061 | 1461 | 828 | 1265 | 1224 | 1785 | 1485 | 1581 |
| 1502013 | 1455369 | 351033 | 312149 | 115169 | 102213 | 2280 | 2133 | 1077 | 1080 | 1481 | 864 | 1268 | 1281 | 2009 | 1520 | 1685 |
| 1502064 | 1455381 | 351161 | 312188 | 115205 | 102281 | 2609 | 2144 | 1097 | 1100 | 1488 | 917 | 1329 | 1341 | 2096 | 1533 | 1713 |
| 1502097 | 1455449 | 351284 | 312209 | 115401 | 102341 | 2657 | 2153 | 1152 | 1244 | 1644 | 1017 | 1401 | 1476 | 2165 | 1544 | 1760 |
| 1502100 | 1455600 | 351353 | 312216 | 115469 | 102348 | 2808 | 2192 | 1173 | 1320 | 1680 | 1104 | 1469 | 1484 | 2168 | 1728 | 1761 |
| 1502193 | 1455648 | 351441 | 312368 | 115476 | 102389 | 2820 | 2304 | 1209 | 1353 | 1685 | 1320 | 1664 | 1544 | 2196 | 1749 | 1844 |
| 1502205 | 1455816 | 351476 | 312389 | 115493 | 102444 | 3044 | 2345 | 1217 | 1373 | 2025 | 1469 | 1749 | 1560 | 2301 | 1925 | 2013 |
| 1502300 | 1455888 | 351489 | 312396 | 115520 | 102500 | 3072 | 2360 | 1329 | 1596 | 2036 | 1544 | 1784 | 1664 | 2364 | 1961 | 2061 |
| 1502325 | 1455929 | 351525 | 312449 | 115629 | 102521 | 3120 | 2388 | 1568 | 1629 | 2081 | 1680 | 1829 | 1665 | 2373 | 1973 | 2216 |
| 1502349 | 1456089 | 351596 | 312480 | 115721 | 102605 | 3165 | 2400 | 1593 | 1668 | 2093 | 1832 | 1925 | 1676 | 2376 | 2108 | 2289 |
| 1502352 | 1456109 | 351713 | 312521 | 115736 | 102608 | 3197 | 2469 | 1608 | 1685 | 2096 | 1844 | 1940 | 1721 | 2393 | 2120 | 2405 |
| 1502405 | 1456140 | 351729 | 312524 | 115856 | 102681 | 3285 | 2549 | 1680 | 1689 | 2148 | 2013 | 1973 | 1740 | 2396 | 2136 | 2420 |
| 1502565 | 1456205 | 351761 | 312525 | 115860 | 102800 | 3308 | 2652 | 1760 | 1700 | 2181 | 2117 | 1976 | 1745 | 2408 | 2181 | 2436 |
| 1502649 | 1456248 | 351773 | 312545 | 115901 | 102825 | 3344 | 2700 | 1812 | 1736 | 2240 | 2145 | 2009 | 1788 | 2564 | 2288 | 2708 |
| 1502669 | 1456349 | 351929 | 312560 | 115929 | 103068 | 3392 | 2709 | 1832 | 1745 | 2280 | 2205 | 2024 | 1796 | 2600 | 2501 | 2744 |
| 1502717 | 1456388 | 352004 | 312588 | 116141 | 103073 | 3449 | 2765 | 1869 | 1820 | 2313 | 2277 | 2256 | 2021 | 2688 | 2589 | 2768 |
| 1502729 | 1456413 | 352008 | 312636 | 116196 | 103140 | 3465 | 2777 | 2097 | 1964 | 2553 | 2340 | 2501 | 2033 | 2693 | 2673 | 2813 |