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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 #1100000009106881761 2,716 digits created 2026-08-25

Value

7079153038379153096110923040908623012796057550918534347954513442991535188307567640953680707901150222422729154081824711635622333104717257231361601553450908470956111189414743999724249375452117176569107643062114686001308848841659005058479091951841966012015604383906748276695740740380156930239030637007615709005262030068190219190887426293584130570145673120333155671337227540079440891164935565385206980537843860595244688752417456380956586754718830390454831607028057711110754728542236841850735945791647163071661800113203400478190676678606283932914431221450999425231480905987902106236460102469035116921072209469659574697978831808574437435480057787670119666581190903926407546452997331993875096649287138226624330889597540470798330965179992772096244021421579496075251142062367536980526016779267824277872377588030917494967325067277873276619888086434863740417487035700419462387871374363061334778658526349178736668289742793876739799028830509034252794999515948572611841930720046481706849638063855904744218102566905982920870396158235511098957716852703771378231413597820111970872207289746343042549977285014611941223080256424523734132018009100726922542260092713894754075055207042608777449347327614245065993936196094621481396060609755965549731883621148840650119253956045404129261081202096006358270844523778316045824838516262337337027515232490890976979511104154745297494372418484144394147571127799215341060584074685210238944800065605998010280790196350329045076492949171257750872375177353272735239764876599660790814282651254583856988229821961969484116535866793029786280700804200027163815974109921605136466114459248194149452492635511035894475481281899530867510635026952980497791973601262757228419638353665026194878630827932350858840891123461182703282395422610293206171737339640946998205247382945441977023229046844162120797682209367307048722086099763055291508818252937280196814229733779723066242011221703666150836346146392291973750866371288569903828969637825876421866459322543786975016662873247584333546391635937983049163684828392340140643918095914554956315407974388258195763912184686672372943463769346422310141470347139769062308494193516432753427532909829214377198056946670937217283226928095220859819157020801998856559732578788484971414101907297489959748755579820764785471384012162243302884872684811873457417963621607469170409530579782164079193545024658522397104383770448524453255548796794159906068621449341578215071179359080922131014106236942673793835995915275100135008252111814178932276631412560311798936164685859349206991652642517347000643659109229849539504144114956298112478471450304146737164241418744539820097344799308341668587790600828028835049804758293068337794855031738144942990476169997852466065890565268509447051922706948234321
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 2,996-digit prime (229 intermediate primes).

Certified number2,996-digit prime
Certificatedownload
Certificate chainshow step 23 of 229

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009106881761 --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":1100000009106881761},"decimal":true,"detail":2}}'