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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 #1100000009110435246 2,160 digits created 2026-08-26

Value

627371472844965724944869313441937172612320240939487118452809159011690099325507547558112654599160468005782327817248388173650603229377350163849550874105829591241055881979874157293850163778098817979066587655913802828916455127331570682863027331945893079801637872572286621760905712881012331303932743987256564891755741924588425661836965183653624063041430806358472987287080253574791235189426602411661164786081073912243190364425646475994012228755229406129532956558602234449274099235244164020994070683734649707262062614980577589518065342977332624019906395241502732675961271810057984566069830103209310053853837950845438247161621744079751653219857925510504285029399114445323637921971622985811423926193082957208795201129959718216956603339993831306856083666689860724581297442365203723978478786969431661790754285802202543192954049678404966731401567422002035273450296939513550113144841788975548456141737270710300205137430948092254522667280291686365299906266853695201924091355418215523852541709418171757835390175882946726121717318192593105944789709936349515929911032426083323867948166231196091082728976141685914576078169822844259875374991598883699732474973218358740746087109428803560538323285042338213238343571688991006715133619450942896693188652531197937407893284333495049650026901937577096486318155702111480789442186394704843701903801110805174344769013741857538590558698441276330326312340995083531655543542836232553674742437019675785434416425859443126810376717468730780593097145547795107566409296530123368523298029269048685757558009702219136847215089047200575190292745196602565429531154686121457330302604746140438033908864247882295030210452994212276964547311814560291427707605614044494627739101076887297561929744375125220681668648264463809685232670755129396005479948959301946675092180608378669360965702361193024687374945074153072640869974034021018576514807957045653516607167489873334352280794942837063313846290378759713932248140823620149773036741271563867700063543286122370853032673059083205552431100858478356667366644003540742563920268946257590439590051828867290817616575945693029901851243939752696023440310510499711507082468226643716026492669418205557494983082014024350401
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 3,005-digit prime (214 intermediate primes).

Certified number3,005-digit prime
Certificatedownload
Certificate chainshow step 61 of 214

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009110435246 --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":1100000009110435246},"decimal":true,"detail":2}}'