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本帖最后由 yangchuanju 于 2023-6-13 10:38 编辑
指数是合数的清一色数字的余因子也往往都是一些大素数或大素数的乘积:
R3=111=3*37
R9=111111111=3^2*37*333667,余因子333667
R27=111111111111111111111111111<27>=3^3×37×757×333667×440334654777631<15>,
余因子757*440334654777631<15>
R81=(10^81-1)/9<81>=
3^4×37×163×757×9397×333667×2462401×440334654777631<15>×676421558270641<15>×130654897808007778425046117<27>,余因子163×9397×2462401×676421558270641<15>×130654897808007778425046117<27>
R5=11111=41*271
R25=1111111111111111111111111<25>=41*271*21401*25601*182521213001<12>,
余因子21401×25601×182521213001<12>
R125=(10^125-1)/9<125>=
41×271×751×21401×25601×1797655751<10>×182521213001<12>×176144543406001<15>×4205177580...01<74>,
余因子751×1797655751<10>×176144543406001<15>×4205177580...01<74>
R625=(10^625-1)/9<625>=
41×271×751×21401×25601×1797655751<10>×182521213001<12>×176144543406001<15>×2782057126261476352728985117193142348250001<43>×4205177580...01<74>×3594462495...01<458>,
余因子2782057126261476352728985117193142348250001<43>×3594462495...01<458>,其中458位因子是复合因子
R7=1111111=239×4649
R49=1111111111111111111111111111111111111111111111111<49>=239×4649×505885997×1976730144598190963568023014679333<34>,余因子505885997×1976730144598190963568023014679333<34>
R343=(10^343-1)/9<343>=
239×4649×505885997×1977439591<10>×62612348451548943616787<23>×7754637448036836493958053<25>×1976730144598190963568023014679333<34>×1081641825...51<90>×9629235556...51<148>,
余因子977439591<10>×62612348451548943616787<23>×7754637448036836493958053<25>×1081641825...51<90>×9629235556...51<148>
R10=1111111111<10>=11×41×271×9091
R100=(10^100-1)/9<100>=
11×41×101×251×271×3541×5051×9091×21401×25601×27961×60101×7019801×182521213001<12>×14103673319201<14>×78875943472201<14>×1680588011350901<16>
相对于R10的余因子是101×251×3541×5051×21401×25601×27961×60101×7019801×182521213001<12>×14103673319201<14>×78875943472201<14>×1680588011350901<16>,其中包含R20、R25、R50等的余因子
100含因子2,5,10及4,20,25,50,新出现的素因子101来自R4,3541*27961来自R20,21401*25601*182521213001<12>来自R25,251*5051*78875943472201<14>来自R50,真正的R100的余因子是60101*7019801*14103673319201<14>*1680588011350901<16>
R1000=(10^1000-1)/9<1000>=
11×41×73×101×137×251×271×401×751×1201×1601×3541×4001×5051×9091×21001×21401×24001×25601×27961×60101×76001×162251×1378001×1610501×1676321×7019801×1797655751<10>×5964848081<10>×10893295001<11>×182521213001<12>×14103673319201<14>×78875943472201<14>×176144543406001<15>×1680588011350901<16>×1296944190...01<72>×4205177580...01<74>×2694097928...51<81>×3288608250...01<92>×6209247929...01<94>×3023577677...01<390>
相对于R100的余因子24个是73×137×401×751×1201×1601×4001×21001×24001×76001×162251×1378001×1610501×1676321×1797655751<10>×5964848081<10>×10893295001<11>×176144543406001<15>×1296944190...01<72>×4205177580...01<74>×2694097928...51<81>×3288608250...01<92>×6209247929...01<94>×3023577677...01<390>
1000含因子2,5,10;4,20,25,50,100及8,40,125,200,250,500,新出现的素因子73×137来自R8,1676321×5964848081<10>来自R40,751×1797655751<10>×176144543406001<15>×4205177580...01<74>来自R125,401×1201×1601×1296944190...01<72>来自R200,21001×162251×10893295001<11>×2694097928...51<81>来自R250,4001×76001×1610501×3288608250...01<92>×6209247929...01<94>来自R500,真正的R1000的余因子是24001×1378001×3023577677...01<390>
R5237已被完全分解,(10^5237-1)/9<5237>=
345643×29747419163333<14>×13137300661025662591024039<26>×8225727009...71<5192>,第4素因子5192位
R5823已被完全分解,(10^5323-1)/9<5323>=
1362689×8293659841<10>×89614919369<11>×1996494074161905281<19>×5494980776...51<5277>,第5素因子5277位
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