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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 #1100000009105165692 1,860 digits created 2026-08-24

Value

934319823474645066549525326689033150393668425457708311874589111402570161256239138613495825560755830869290178689778705783305865745053370489321814538037130140327617118476331051794353034387995064603902651729530654010522032008033535438672488585848058763631211387448932793777425938053555457083408744810511307776304244730601435374706585912670648235170935106882833552200925957947755592759109385640751490183324277414039115668782653566892387995207881342164231486622260806060061680629382571840600367472798928094009725180629632854478652055786483920100273429640474066994046171180307283775139526059980952934557071427330332709935799608026763015552208162297721516183570623329381519507266651916114403719039998540782370269209175772704458702108033465402449008948430577330669385780457613972501322913501177724462086953894031540476460561411171883944424641695658927392885164861136101810146906845006979356385563250477941014299898261290948714896966513880248154953128526039799182612091809658580587464136250128604087789914770985840582800806654649926121966464194182865443385914632735406158877779073866767265153522533686410764990606043244101604109902778357259032049437297951938317208654779045250344479022218873987565957257013386468345247271884158459382944058012994485826376481453790457978782781743613092324931243092337501203135939550978636803678200697991133546432796836929908772344312310994845267141554751168825636266857900015500983333384478545882781650894363384765163126964095817705724870991494475607245616670168365488584926325874510356650753783409596138065616747378539000058157932185663837027979683394385968250389412104900428612138887056337329508852103471358755586491778132953320674539339870115609681474414914898420805845953017937539655491603726792649450514657416613493538577388072031182454108004654198548855659654122506994381813998904819886919969072716635460553962909560835562259889447
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 2,991-digit prime (198 intermediate primes).

Certified number2,991-digit prime
Certificatedownload
Certificate chainshow step 76 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009105165692 --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":1100000009105165692},"decimal":true,"detail":2}}'