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 #1100000009079759131 1,695 digits created 2026-08-12

Value

855120347621288377266981031792381501848871997640386429124536108283941489677490507173647311631760166680886545165357811754291526760040514126521268809978326961945006322010227864693984135897420970091872704012184813774019535745133212131443222006227921197121465631668278266965017295532766889171774769959528099167092565580223359014402127484743301700753856459587087403263868857751375800495366839898271066832996645296201672216828275234299630972835925062913031169790428144052121493843174324853325089811090244434619416540505109084217050653713564947112122284550520810757510696548966718109593240080874885121962170781676063866235018785788598825492255973709093815617667382009888102974531222061005371719286224983517675860420271260244286643717579830743494929633403340373138069341203579889096953328576550507067480921512938669511283441565650424211645960971362413809201745827572396715895575483955553245847941420175627439077719264053831505022655125875137295375061790212729140348540483152182186981561335196812765719121276119790448945230195472847935451056070967467359607355205734081688834894005904238387766511123045153880856406878586025449694094120851791234382607345713139645032617935122246282904262690027829573499094041117839624056040134652439561370081010401164471860981940248775979711785296727896281435987404128784326750546932480845568174312346130650587687939828025462558779930724026423580118133407086781111797570519782892914822582225960847773508570711916733854330808731418248568459378576500438195134096169781154171468975403708116317910762656300891269594428466056557157035214525281355996354856821277321610411759056955076549621171153751687904003486575670498126521600991208815939248589041156689510938416794363786101417
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 13 of the certificate chain of a 1,853-digit prime (150 intermediate primes).

Certified number1,853-digit prime
Certificatedownload
Certificate chainshow step 13 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079759131 --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":1100000009079759131},"decimal":true,"detail":2}}'