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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 #1100000009062570766 1,947 digits created 2026-08-09

Value

669322895249519200419747609856606452635532674555226976201484637652077156441710320537445481348931016035302395123914782922006134461535739487403246054141084824403873038666973563255456241919541925266630593833924004493215447959322394007216219968023026065997207205247323264196029299217062219365280497856685630421695692163648233231761775471970435236167746333312525462385064281200262817920115100342989877251972692338445156528128587133216517131145882832176006332949614143155882937243720297797816572259136507289189783380001203292494248190310215963434344979090133856815853077700163017639464612092390354575841229384312626685528666556953886793116309788997147990522838823601811040916787337894112771673636232229070723888498808353504995674626412412755228467783336168661602169422885179151411503987593546470367691667123233081127928684854075178361153871404350685935243554117252451365647816026745988630689665474058333731220818918809708125740865815577097249058215586138111219939126687500221909591975006178435648608933495348907374184790787478540101496790420114543888245829942603352367253847484698670317823322478985592152429695256314448483017998985114795467014540156097389954576076374714420502891824014876698984787647669365156949203687701868774131626516445906405969261972423839805782468388706339363351974885606790600039753902430172375408281439009424606376095320466568774631185197377971272148289780650959810116523948449267341521977962046085177184077060797740205612000042153731586418460514550541639475136227648926062909932639795205485987427259361359052881532829471435255999203409542276863004892047128614266898846546630327337334506745241298214780473280973361336865026697230141237650762375277783672449677945632504937955853225210889764584075172524746325639110250844887319278193327726748113585227757955558810752915944857080485421863569274038973290695918077535267128430816290820022259112404025052418785604370508577128652208642193811073464847712220659827741530090789841853304343
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 2,621-digit prime (191 intermediate primes).

Certified number2,621-digit prime
Certificatedownload
Certificate chainshow step 51 of 191

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009062570766 --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":1100000009062570766},"decimal":true,"detail":2}}'