Table from Alex Beveridge, Apr 18 2007. Updated by Jens Kruse Andersen, Oct 19 2010. Corrected OEIS list title by John W. Nicholson, Sep 11, 2011. Maximal prime gaps table with gap number, upper prime, gap, prime count of upper prime. # = A000027 p = upper prime A000101 gap = difference between p and previous prime A005250 G = index of upper prime A107578 A000027 A000101 A005250 A107578 # p gap G 1 3 1 2 2 5 2 3 3 11 4 5 4 29 6 10 5 97 8 25 6 127 14 31 7 541 18 100 8 907 20 155 9 1151 22 190 10 1361 34 218 11 9587 36 1184 12 15727 44 1832 13 19661 52 2226 14 31469 72 3386 15 156007 86 14358 16 360749 96 30803 17 370373 112 31546 18 492227 114 40934 19 1349651 118 103521 20 1357333 132 104072 21 2010881 148 149690 22 4652507 154 325853 23 17051887 180 1094422 24 20831533 210 1319946 25 47326913 220 2850175 26 122164969 222 6957877 27 189695893 234 10539433 28 191913031 248 10655463 29 387096383 250 20684333 30 436273291 282 23163299 31 1294268779 288 64955635 32 1453168433 292 72507381 33 2300942869 320 112228684 34 3842611109 336 182837805 35 4302407713 354 203615629 36 10726905041 382 486570088 37 20678048681 384 910774005 38 22367085353 394 981765348 39 25056082543 456 1094330260 40 42652618807 464 1820471369 41 127976335139 468 5217031688 42 182226896713 474 7322882473 43 241160624629 486 9583057668 44 297501076289 490 11723859928 45 303371455741 500 11945986787 46 304599509051 514 11992433551 47 416608696337 516 16202238657 48 461690510543 532 17883926782 49 614487454057 534 23541455084 50 738832928467 540 28106444831 51 1346294311331 582 50070452578 52 1408695494197 588 52302956124 53 1968188557063 602 72178455401 54 2614941711251 652 94906079601 55 7177162612387 674 251265078336 56 13829048560417 716 473258870472 57 19581334193189 766 662221289044 58 42842283926129 778 1411461642344 59 90874329412297 804 2921439731021 60 171231342421327 806 5394763455326 61 218209405437449 906 6822667965941 62 1189459969826399 916 35315870460456 63 1686994940956727 924 49573167413484 64 1693182318747503 1132 49749629143527 65 43841547845542243 1184 1175661926421599 66 55350776431904441 1198 1475067052906946 67 80873624627236069 1220 2133658100875639 68 203986478517457213 1224 5253374014230871 69 218034721194215521 1248 5605544222945292 70 305405826521089141 1272 7784313111002703 71 352521223451365651 1328 8952449214971383 72 401429925999155063 1356 10160960128667333 73 418032645936713497 1370 10570355884548335 74 804212830686679111 1442 20004097201301080 75 1425172824437700887 1476 34952141021660496 Notes: To get lower prime subtract G from p. To get prime count of lower prime subtract 1 from the last column.