factordbrpc · fdb
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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 #1100000008674979181 2,704 digits created 2026-03-09

Value

4043527718702378733639409758150110830842630737087577610969010752734412035921174949141260795278903569205764185769861142598700469802958237707356444929974264091467393899890103324556122827108766396280801751766192965821445866036795657186151407268866219901750031009232080723723832657948210211457581508837391947064701923656493439150941836961894881938917522065597125418317508234850176680393086646130895492367091478792011209910531380862898474656934741841306137311831394590909961961987092139912940292833387467036513459927295018316807292295845916161240938694523535572777164735910811807372418544405588037067335364412386698851744391646599630971667466841368543303762982873623521991140172366390126210073126624683105366075448543615076767578846586804760839453899692869837830053357260015930990441488988674405843452988021113920644685728056523826172247571172195235354131818462840182918547444143967435247894441912781870278573059507626091120374675584568324844653261909278841370242510265285559565229077256082238676450645825319217794313989653537835562406937458207842833434709999624958234155175465031758885546340539478571147964663496001696887366369633458389468967171274216735935206775194173050533490959100712969552393403781726021059081839440565317783913686057421326815658455933363745239779540521441344322400369792687335452902302109018286727739541485801606568998327362257103537587683435602284985354930017557917010994797065954733307546663659700159475500364492614803149984255736796813711240207657046830555736420627193371174352992566421897749053062527096506199946475572289938106645616062110440568818037773815484876030713189434664230322227650763284142733818612458093629077460804144989573223422897188824614849208659482741126332970287267539993329653901136346528514434334091316547890902735967498405576127056958087558039902489699440689977983250931676966835470401438763792067597083962283670031698752182531141108965332791588498598673845955655654999925751115755673245181841612696834239704896135174281511076619819788617310745550248538887695840314719408947788423390912098929500608924013483727638912439538789300208151346885451773751002001581878132463888487080469539937248770887422974552356109927964865393071960488020641738925166833489868684576830671019862977076343494439789530261702904883852907845294044627213171876546083148463205628350981501897169646280736716123102107854840023659057850772050940315191076593012182309592788503733565814953791791521922532704975235908107398538171158059596210754162854042833900258785938121179854623882065458122633079057339466722980451214386495276761011155932299831427520797379719599703390500397895395245173651894493030154316977890189660708507724379017836187843104887672219951008433421966624979835284807769545545841
term 721^946+720
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Is factor of

Primality

N+1 primality proofproven prime

Proven by a Morrison (N+1) test, |D| = 0.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674979181 --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":1100000008674979181},"decimal":true,"detail":2}}'