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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 #1100000010597256194 2,271 digits created 2026-10-06

Value

867350891671977743306424409577903017792135596553136719357984099877339478347374632704553133267879577702022223876987177970855174282447502007096873622473516215525802339475887736717007344043630729886336592043066779992539785723231705235327650404428530466380420299512931732029004931529723105037909891256959239191773122538329559718079116751408178640817957535550291497131836642782809209266134573795478408848333323723188134409079922079600230547792930805806890390806874980367952216703322455916291278617959213631068891427018420714456387134842889520919090228424571606174736816666549089889196874674447535878850152092309951907173312147003586967717953887667252164048127502247870377609477838924537960931166773434604337632390887393928347993680302255231869925094366031680287520430149839976175869312402440582605597347308292236495792529173767458787402809143450758017616413410862623652853957577721494662717690009940796943573272598114330860150588148608439548322960459787661346920824128562620079430271029459306655984183166528492703058213649046368659279246623023582826270371310743482726795853052419267130291566817151667282810402621632744535457709907587929187161590465762643790312573188102832628569154843454972427410368414792388798212737849778640854858373759325651436242692546734455962717678803318222003614424465383851735047539054891182572773181362708001436358189423013572534872483192238335047959478480596330239741458333115074848822699918094537888675500015015340928095568458608313963127041571575970894300926840499291383172419149251689352876037832730843273994375191228733973392176920760598688962221281216160751643987181837126735997245277289896113785855713751112640143254444736577648367272028551201093431753670917316854938910574008277903373258873997377101560359129296552636798242141234937294469323373027255793752980567731233493194453874345873969815422823292254701287274486572616893009582804132927904715422266794868899373250285727515603962474573418354868073077691599564162182394691552645855248858894567527500436525728450829864739679804528807567535677721400040068098416327545631316240991323377131141548577979695557735486529342670678595014657279918304942064534437264742128311301615583897838442387481992974336581363663062853795800288848028438972083493301869308028298056975667261249115618287341150641957
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 3,195-digit prime (238 intermediate primes).

Certified number3,195-digit prime
Certificatedownload
Certificate chainshow step 68 of 238

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000010597256194 --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":1100000010597256194},"decimal":true,"detail":2}}'