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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000008815873154 4,485 digits created 2026-05-20

Value

265910488942052846032461176470498954081511330996343061146695107273198035650737690919246392739622943996908284700027093009233624948945707706236360573747767392066919254646708315413238746613215159592894277152450476213912190836170322083587897530001807515843830748560890464741943247992464492867228612668063884774595179590298116471892861648423202039476452496262320904956378291610767350767555664131039156272679666468768111940103118689064286899231025019431801381946400116960930259255532829109525095034247643772474487884587361846224485522492312033814072194439634769879418871369062021649906448797029275301750506966957835106253785466202059536251069241255995522289147698308568415665584954122027299287723469718910432789433163250286560896502858114917298769065350976655424629499716364867717254776351514072412175243080631243886567491161968107468876397124490577309445482881677571458871459122957776047457304874257463886718269391496701222065575606968210317025684045109280316659352265648224624747948715300448727987285668197810204027869224411031948050993036457713894227385122765391427367126948568674397321114263364322540367617583113243260592309566531354529799499403350017930711879064526018850736161719674065103286088017272631887784663054696241976818282664969717099456633623898497901467926518648245050901101830550968730123660365038412956255395749776275323503323391255581898870853967968201578594678074898340091055953964606795284714765339244115574661684847460818487952359493220161110806637021616781000713716724574946147293574874924352280005212128322110238461432742908763031959934699640306336004267251647066174818767081654963552465095037675357545212436962202243059117314199653539682622191188519861549212184634785068840942643433259408972899564845105559311989350918552731514236199956237579772173341263768208323224091865985681445626334719589605679616946744694825493550335871750895853946500184526943714869016842045772920651116753001699906293689533061753879714507692039111925578364906383431195897457527186540680312689007422880640683508352937192781631336207501362175353155045634212165872793420907685337786517481960901176748070605139386054090360463598191437184283550944098271903863310071023818726622679623132993187241776858458978846583506528037161916112137694287902272931387482617820327573647643267186960142183557801585452397206735212862818055395870096504243623612950258205958565102604022676146228900267299038061027805622206932071727938811404432756173348086931666483544707402060527157074115553547962992142439962379326076371925820179613489709200765677841086566560583960774107198169932840997418652671199372834359523732185799429733281908401266067041000032482922820585843130580012254818094925439176239194367148501260124122752743642273984026936837677456076931057435373393237129850147716055472825134154044982264046807076253004325951242607543454235698717729059554642710514348667059902957194435931557903352723627022782254712785502535648251021597213026239033088158741534342825109201615693206431370555637070984135837005248560922164062405284302307830371990876597342206378744512175300626711852996620548762286834360848656871121127722602172477692553084250183466167931016175605874409499067791956271916947110845052946300562513689064460448800023324876053037012218787678754329564837763725789687306094448872696030914620357367103112264501274454637875661913557921866113116617862265108403357569243421544907714732932619816330015176433865873769993955767434045305827253124542566863611260199116976172856559236588376463549420198623988629422992543309087640757753294544483719271682219514321051952819903844704701757805196733270540653361224031626159981402704602747664521868360468800987249980586511848534849441719879841229167294294083268685217413595091773019869776217282301699821158685820434143091110107776664918590428727551464522172081056925922959444611492507564413686574628368874367538727020803682295953550271570812490887920994727898831783161648509947362195191073357968715225917841797628590880574783166366738267734514220186674494849344795326817932000905897885228884314982010741252846330564032487443688917593346125771419649834922435687866797764105077078988791027173387682461427292266501411145183711157918539968407141067138972600231285927050149934685439563601135491217148820562804291638967742524175492252106569684213606819738545875425625083488996744211120007375946341051260491382972636908412323449606934035831957941865930019618372645098332471033624537497197479371791680945295581506250133084728504018658992743861115332744941899931564408763017206848961
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 5,209-digit prime (325 intermediate primes).

Certified number5,209-digit prime
Certificatedownload
Certificate chainshow step 45 of 325

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008815873154 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000008815873154},"decimal":true,"detail":2}}'