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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 #1100000009062570624 2,069 digits created 2026-08-09

Value

43688282398829236099685714269296035454901435593730725226892440504049341131278490197526073753810998148845066942566589810028164768576283235490763116954679780302817958777087594996892743602365046593368083609787344382367300821648062404374270976813507124163590837070200065867804842866924318811246219904115108125911425903691196274211058818868802793493451329277995997285141385400839609747496816937818028704881210452227451914097218677137896956433802989058451321809463231421310328925764188873933110294246905305266498889100903268178111504847221041953980045079781869290770085099666846185961764514377018033430264234668927699833727391109795813314773716185700439743457950389839208460795436923050356316053630363432253193923713641424177338969220259099783247201727670931090875061288888817182987447186334748240859277523315190020815676721606613085882418779330943969042717467582123828087680072055404685557205793196838236709332995188994228685300452056692952114440800403997164931320880649245794348378199787509585701020548010980484054080318389806224115758236952132608618332175808821365920032063443801877354112950871248501353538484945702996156120062861019997552989152042591659704488002602771788926503519705865112333725987449787955488373655350845063772953571386958042363552661265918285527488813982281318541533091044101371695405609177013105951590784604233245778656773792903047084615537486690632793443942764565412536462191224665663434444644047979907369710909643596459883177662060291285828502403157459501538013311321709312302649641178243538910866885829443912589798127831586106429072250300415813570267481400503465945408706941907333149937384928530005318673832812783969954139453266029465998778775286095272166390881812132965867112216273673734892478670798003700401405989764724524636164807612234018200584006240956088589034550953740440898041487526846506304336684862197537728913863016304666634228386382544164207193250284656801528385865902445781208880616014380141671023619920472768462917948143978388507270941795096736208878651505480612977396071306969353907407253518344569967435590853560787024284502192813903
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 2,621-digit prime (191 intermediate primes).

Certified number2,621-digit prime
Certificatedownload
Certificate chainshow step 39 of 191

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009062570624 --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":1100000009062570624},"decimal":true,"detail":2}}'