First holes, bases 2..99, 20090117. The smallest exponent is 101. The smallest composite first hole is 51 118+ c146. For bases 2..12 see also Sam Wagstaff's page http://homes.cerias.purdue.edu/~ssw/cun/champ 2 827- 66161.1637241673.1656489332706171370072190422631.2550707823005230793212015514781257.c172 2 856+ 257.1489441.229634869879668984791701633.c223 3 523- 2.8321977.4613832781.c233 3 508+ 2.41.54093886887062230599082516017052647105427126977713417.c188 5 347- 2^2.34911671.9060198312365106899848549.c210 5 346+ 2.13.3379037.1490847569.2133076820179418693.1611335060191887691514988317272249.c174 6 311- 5.1191554036683.3666342101717.1028123934962242970067317.7640150264100839651419559.c168 6 302+ 37.19515241.8951289532327540357.27564163622315314490824935535295293.c173 7 311- 2.3.3733.106363.310379.171251016147061382719721.c225 7 277+ 2^3.1663.81439.3045893.588286507.76443543191.305666773213.35666484627504843161821.c165 10 263- 3^2.40199712048008930571428131875902950777477607917.c216 10 241+ 11.11087.140263.166118970220264489.2065548882433064749302848511798666276437.c175 11 229- 2.5.84743741.15587642569099.c217 11 233+ 2^2.3.467.47574407.1681082419.15300218543.2800063085689.c200 12 233- 11.467.31223.78863682072342587129533815443.c215 12 232+ 17.97.25057.252881.260753.2848033.833733087880787800425529421486384450251930273.c181 13 193- 2^2.3.27281323.223486667.1468937560453708434469.c177 13 193+ 2.7.146540934096087353.c197 14 181- 13.5431.1583711034683.40458072455159563.c174 14 173+ 3.5.178537.71149495996084517056952537.c167 15 179- 2.7.359.1433.110623.c199 15 173+ 2^4.347.6229.c196 17 173- 2^4.57170070771999284093.c192 17 167+ 2.3^2.29059.c200 18 179- 17.359.120647.c216 18 172+ 113.929.c211 19 169- 2.3^2.599.29251.133338869.c200 19 164+ 2.17.3833.c205 20 173- 19.46561090212208416652329659.c199 20 169+ 3.7.2081.2549.70875221.735408649.23012751749796166936568970383.c167 21 167- 2^2.5.1102201.19470197.c207 21 157+ 2.11.2820977.11726468699767.c187 22 151- 3.7.778098516620847133.29409976828498709513594659.c159 22 149+ 23.115327.1760287.c188 23 167- 2.11.647293.c221 23 148+ 2.1777.139921.203353.c188 24 157- 23.80051789.c208 24 148+ 1481.331777.356977.7138475417.c181 26 151- 5^2.1511.2417.c206 26 148+ 17.4441.26881.c201 28 139- 3^3.557.1849232948929997.c182 28 139+ 29.c200 29 149- 2^2.7.1689862939.167776773487.255444410634612137447.c176 29 136+ 2.17^2.26209.561377.c186 30 137- 29.1097.418896459979.c187 30 136+ 337.401.4855073.c190 31 149- 2.3.5.2683.15497.c214 31 145+ 2^5.41.59.21821.1838659.95543420591.1671541885847.3061037680116618496603.c157 33 157- 2^5.14759.72909684996554954204671114438633.c201 33 151+ 2.17.188147.192979.3533401.561730745161.11615080866973556802583438194997.c168 34 137- 3.11.c209 34 131+ 5.7.1439429.6075704807.c184 35 127- 2.17.195581.1963668667.4913024072749064814008554877.c153 35 128+ 2.769.77310721.c187 37 137- 2^2.3^2.6577.24212011.c203 37 128+ 2.257.c199 38 145- 11.37.233.194681.8877481.21989657.1092713238210941.9667913682833491.31437065289114216911.c154 38 127+ 3.13.5905247.43616121049.c182 39 155- 2.19.31^2.191.311.401.1427.7870147399981.83760737926141.108989018880787.42498344259733589.1236776704508458218192760181.c147 39 131+ 2^3.5.297572834113.c196 40 143- 3.13^2.67.677.6917.148721.13569271.1079314963.282660734773.133671248837635081.5337307880623010063773.c147 40 142+ 569.1601.64160585479641613519622040526849.c190 41 127- 2^3.5.80960557663.c193 41 146+ 2.29^2.293.18673364451232152829.c211 42 131- 41.3627155179839447241457653.c187 42 122+ 5.353.4637.1305816934839137389.c174 43 133- 2.3.7^2.229.2699.4219.5839.46399.158341.727942922183.2137444528747943.c165 43 136+ 2.3884161.22181191729.5844100138801.225627132670086180729338634975793.c160 44 127- 43.509.7621.4705097.111857029.269983213479102626467.c166 44 122+ 13.149.733.5857.31477.939157.3474073.c174 45 139- 2^2.11.15569.4390998436666729.c209 45 133+ 2.23.43.1483.62549.2140807.188912767.2820596041428749.45617576302274141953157483.c153 46 127- 3^2.5.554389799.25645377209.c191 46 133+ 47.1483.1597.516877.8718949.9272716111.77983645297.2058476730978766672857954707.c153 47 149- 2.23.622422580146046685675713.269460081899519833903371157.c198 47 124+ 2.97.25153.3143401.c195 48 131- 47.263.121736434823.170796471815640577.c188 48 127+ 7^2.2287.c209 50 137- 7^2.4111.2627113.1311725407.459733481179499599103.c192 50 131+ 3.17.787.679532913303426997933375195254668800259611.c177 51 139- 2.5^2.10009.1355188841.c223 51 118+ 2.1301.4013.197297.271835321117.374157627773.231733306982026611953.c146 52 127- 3.17.37339.284554423.26160302512872636636511.934219256947425240962921.c157 52 122+ 5.541.21961.1127314506673981.c187 53 131- 2^2.13.1049.3407.54497.190759769905624007294931766339.c184 53 116+ 2.17.233.929.2089.232073.c185 54 127- 53.509.c216 54 124+ 8503057.5892583073997190177.c190 55 127- 2.3^3.509.129287.247536581008907.c198 55 133+ 2^3.7^2.191.14783.27581.140813.535991.3365189173123.13684701280391.13764157447830986477.c163 56 127- 5.11.1764182401.455238447730042067896818866315378453801.c173 56 133+ 3.19^2.4637.15737.1925393.3791033.86287799881092363079.76684841605853484537353.c166 57 139- 2^3.7.49207.65609.104248276208737.5978906910772313911051488342757.31280608901203475982102559507254793.c154 57 118+ 2.5^3.13.c204 58 127- 3.19.257402839.314450532909969104777396625319.c185 58 118+ 5.673.709.835441.c196 59 137- 2.29.8221.105491.578761832041.7069033153887743.23442742575336183754650481.c179 59 113+ 2^2.3.5.891571.18915526031993472307.c174 60 121- 59.313369214427127.614910264406779661.c182 60 122+ 13.277.5506107510435076335013.c192 61 131- 2^2.3.5.263.1049.c227 61 121+ 2.23.31.331.2179.42308091563.1591863771792757.c182 62 121- 23.61.67.199.2179.31219.2781781626713.c190 62 116+ 761.19417.62724026689.12666959169286639220283975583375810971147761.c147 63 113- 2.31.227.2939.4779050378539.9909055546877.c171 63 116+ 2.73.107897.c202 65 113- 2^6.227.371660134613221.194120541631388887.c169 65 113+ 2.3.11.972787169.30063110087.c184 66 109- 5.13.1000621.c191 66 122+ 4357.76129.683201.369992755917974436617.c188 67 127- 2.3.11.509.2863410440061131227894293937151407.13596519954799354618388906954471030003503.c154 67 109+ 2^2.17.1091.49036520557852362679.3996853768862459677117028557.c147 68 113- 67.19612507.11926213231.c188 68 113+ 3.23.227.26669.24240761.c192 69 107- 2^2.17.108499.22821389.38300596501.445787815256561.c158 69 107+ 2.5.7.6421.c192 70 109- 3.23.59810263.1843173459215087393087.c171 70 113+ 71.873690011.293904972389033369253157.c175 71 113- 2.5.7.227.c205 71 116+ 2.12705841.79027986209113.3131429398190081.11763481904206633.c162 72 121- 23.71.727.2663.3631.35311.1755456583.155792031209.651886287097.c175 72 109+ 73.677930814732091.c186 73 127- 2^3.3^2.3784253611387712234045123.c211 73 122+ 2.5.13.41.c224 74 107- 73.1608791033492921.c183 74 106+ 5477.26274433.c187 75 113- 2.37.227.161591.1035607033.3156871577429461.c178 75 107+ 2^2.19.643.c196 76 109- 3.5^2.1593240358367699.c188 76 116+ 17.569.929.3449.21577.399275122260497649808664108688251542365958729.c159 77 127- 2^2.19.5081.19559.354839.10112078752943.4754770525352095656405494204796370519.c175 77 113+ 2.3.13.372901.3175175435466076959953.c185 78 107- 7.11.8154043.14193326811950759640390984097.c166 78 107+ 79.28463.52859.6067543.2918661746108112323661239147.c158 79 113- 2.3.13.227.1583.7459.933076709.c195 79 109+ 2^4.5.45127.6279641293.26902951631.3278041865221.2080746755228443.c153 80 109- 79.971624911.65433120407989489.3247602064132502063417699.c156 80 103+ 3^4.48823.109387.119687.1533148453432053083.c162 82 103- 3^4.3709.2802200279881.390887754930323272240961084251.c150 82 109+ 83.1091.3392953.116374723.171451333.c181 83 121- 2.41.3631.13003.75527.15991874273.511347841621.c196 83 106+ 2.5.13.53^2.2969.28409.2020285501295127430997.c169 84 113- 83.227.2713.772921.c204 84 109+ 5.17.965997567047787563.29749890834305440876011635103289888013.c153 85 127- 2^2.3.7.144071341.643642738753351.413965582001126193179310276685821809.c185 85 103+ 2.43.5837564347.c188 86 107- 5.17.643.3853.80251.c194 86 106+ 13.569.c202 87 121- 2.23.43.764837774708459.167044832714979253.1092661124097821279.c182 87 106+ 2.5.757.120422632431611274694289865382203929956861.c161 88 107- 3.29.12841.18257839.c195 88 118+ 5.1181.1549.26669.83665069.8837327111212021.303717572134828769.3966895048740305565189370146281.c147 89 121- 2^3.11^3.67.3631.45497.2530067.16912503169.19124690605827072619.c186 89 103+ 2.3^2.5.1237.18436669577.2447516756641377926119456608313829.c153 90 103- 89.501196218307.192640667851451363811893.c165 90 116+ 233.65610001.755569249.8168298192406821356154816302129.c177 91 103- 2.3^2.5.4217233.c194 91 103+ 2^2.23.14744429813.216130338534794836642152237186089.c158 92 109- 7.13.c213 92 103+ 3.31.1237.24627377869.c187 93 113- 2^2.23.c221 93 109+ 2.47.c213 94 103- 3.31.2646767872999.56770244447900385977.1802311598560647359047.c148 94 103+ 5.19.1237.34403.46134051140268391494427789491179.c162 95 101- 2.47.18181.1347072196920029481420009774769.c164 95 101+ 2^5.3.607.c195 96 107- 5.19.643.5779.1341841847.7896231402121.c182 96 107+ 97.106787.48058639043603.c192 97 129- or larger, perhaps 97 137- (beyond my table limit) 97 103+ 2.7^2.27933203572816390860236833.c178 98 103- 97.2473.1161841.c194 98 107+ 3^2.11.79491703207668355649.1176803196293179937611434787.c165 99 121- 2.7^2.397.230128580234081233.197492136282025248442820510453357027244481.c179 99 107+ 2^2.5^2.49158658613.15491928351724114097719295147713.c170