factordbrpc · fdb
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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 #1100000009075599498 1,559 digits created 2026-08-11

Value

21865949571326309379725082796889546473727469903947652538946042975327166739817286981209180312978384590127431147267336704217784327870946532055893463398269952982642518876177164308073074941582225947919257467454818559765998977669536638239448551031645113165734226501569207977202409372636730341855840619135660249071481063953236437939060378249800713159834396736368204788865708208920985985237399832778306639249181325709329148562866757164473658693737926798548441804950571206001527918691340782974246235289106861873915000291334889089967523663791063556366948017792360223650586598787058297846351596634084611545788729361170913020896533631123588104335106309317440746519731101075254332310908079664556493597165416004737939103837146606869378156407312162832054041719562716938964142149999973303118344301627103098499575349660338054336636275585776115232640910525362232550517819801521261883598313830705376927756858371337448031134039090656903629811083607461118751636598337868614354976438110825312780925455745327706570515504241558794385330812867338107391695785522321981771776428858209739817412530322330130271224896429678691318142652303167312268271141810241776988716418831330323578804655224622653011754760712336266434723856076865227021055329955960061558335292855524312205365047396022765715398487070165632427263349675286053265624850689473200006544573445560089842684234261757191354165433187326793195884477508733671453396673576004794314737281773033802478637108686280013889778931346716876028732298754603924386970903672667106827356815437784573952725923055286126594863015537399271181685005063
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 2,130-digit prime (161 intermediate primes).

Certified number2,130-digit prime
Certificatedownload
Certificate chainshow step 46 of 161

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075599498 --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":1100000009075599498},"decimal":true,"detail":2}}'