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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 #1100000009059834395 2,253 digits created 2026-08-09

Value

699988554831543406609428247913314440753438519692103452895955389771806841059216873751073098396132194142469156511797893233763098856928815050074565245442266865001946821021922647297320511397645595804635975042371884860114921589693343135330648311101608788484123773020526220833436936695031378480966957179050497134219896242224005760385537419156974855823851198981595388743475831540123870875397922995277809725756227397923543470387767214317536721748926826022768451070701077216516394113989930341469962714214367344416788338291937146012409156218206075151965166297078956352140304088599490800004601143387020864674577374920178296407420393978654236538199269117028693912682830482009206896257918779721872701107966135646126044548360408742062041883339002841840200325065963346010036513621879246433669534660669555872392684328494693569301801234786431453190349926925051755751467059853544023212383420747691237866533489234811031468652587588075737225054166487407594997379869517150010667354702606970214378025340928270241615562495011899382565498168831259703248619823410366847328176420232097678773009511084722686642587983333599370740457464335703518116919341142652648710682279111087852994192994965916415496709848636180702572663243357220666017219643790471119085123590275445989659693968594074501959584720215271205118324240738766109153633772798630839276979278508128114546665651302832884974657036702922248680339098203137227793722120553878272786915276136427501660203664358333408166866998612622484238981440421605740146787814743873665643573793374633151720466260342217829902563072288344816852066964459471094862848585787455101313726112703388934156576481608051005321669552071060148393549457339000066019775713724387942540725217469155141203688191072917642712702915487123988323931129370033491014616436790178405263437009931255340594672085023789999389378378086772870835197257634964196167520875476606105116236584341435391823456484349973449514514053759112262534492368665847612151155014328184183483210918369597457723289990203096849524581418209020356198720902831748795976280490245548346490681004764213430897276292872080817318837120583973361514241512048900740948910549470852247754173307530190840196449308420453052151966548149461526599387524998713914777833127166279143106378863854813385603910937237185266909
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 2,611-digit prime (198 intermediate primes).

Certified number2,611-digit prime
Certificatedownload
Certificate chainshow step 29 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059834395 --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":1100000009059834395},"decimal":true,"detail":2}}'