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 #1100000008675223854 1,973 digits created 2026-03-09

Value

15829055637212279368892519750535833811463373669783942391460140494310411493056712040341759022357424027528631272518617015837846581970614815016836520199580338223267938723215327231805592197788780461428222212550196361088450933172252888573145545114639615702920392805905804662226621504543879130041654351643934779306167594798799054031666535716512938546988741786283652375884902327715252159561361394419875332974157780455542083368882913107103133781731362236197283820334339679412852596874856961806150473562464813574388758635073663677370670812357800340417949132782799100582463118069720269115560880335829327016235455148394317216749498237994766759573844003468048103458673192964998744225957474437359100628299945267101866935354818722470559913059898869100028213689503154139327213364192533106323745769619932899303998229565756186085912319381657219836065222847267103407110487730637749364130997042033942812718687687886253988567979307936229481007641214456702063328947614949537190000662157802523575580297028111636805633829062370122834228437524917901115464615548796993133185440885109232033558533644811780651587024432302910365568804640770869172362824247829354902930687973716550430225557093439864758937212430799384378989284284694133817176507506091755842137968710956589817441413231242464225785228710681893568742297475633066677956517472472789628674986309323474304123960442469274744639192685104349576123528023845898313766253816044341441923027068059275591808320767782592702188409072376209268542558998564419665070601765910269985814626868010875829982675787692401570630849953259153168958564684282993586601593661721641054569229832464314656725794450319887191026130700065539371351494214159991648298161790430525207468320614991428738348443673473020357227948351810389754383960106889244869302617167702792641215887551730300588100949756622898784515097989772415404645482380008047964443303245470441276761618941838006295572469083439556017521525052431156999367238443394619395994195801900454087731691016388641412117463573
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 2,805-digit prime (214 intermediate primes).

Certified number2,805-digit prime
Certificatedownload
Certificate chainshow step 68 of 214

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008675223854 --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":1100000008675223854},"decimal":true,"detail":2}}'