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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 #1100000009069977957 1,886 digits created 2026-08-10

Value

17100851052397848956119363871244493978217086930193966774290848213561592532806831670950043525929070171055784995293397178750842908663127228930525493178243106766349164838367649362884356799419148838349239033484487498891612248320079176069838283847716623920744777492563385130943530573372213807651787251498452353047729976362036999384033683466871307959382208880692206370432068150057054944922411908039700682365768225576886343952981061226294700717941386808360049533699277534674936031058699173689158222643451099144952816427862031277135970704994687943065332316329784561628595540413391883602235626505163363226254152494077611561388145877667093519459422964350568625199469739105152924328158193054102587974726413628920802677360017153217535965063945958805167387959553857263884169350411140335244313663030709386586446583701115183891469915011218322497478211574647208531240337345401405890835375872496959500506083207376021854855931344453626881587440721989041294321503281612383314620554938191910201658718822696818700583103588705750822679147550816293702049658399824467456936802871717600551694330269194203855540778932162741423323780354318825039274755319277449412771570967943014965393310470933251705219624634379399494250164540688876995595790477076122608761517329341800044392514284672543448557869647478254820015566189359032820547228534281727774867896756236937158010118172032363060079578238551697998856514985505516868437535676373635746336302021282586595827521380650013209005241184582104979559024534319664879890569609417042105158298506791968654438457024968804140012254997102106673142467527189849783274727688963560722047244667643920217261135552996427064814658565227413052107052502419111716342217618196061004793725545637990309322782192655151622406339350225055940938797467202891852608559745506361445571873619634428484175156833221110819912748282563023984777484600882085146590457413700107721102994855099898805293960841617
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 10 of the certificate chain of a 2,002-digit prime (160 intermediate primes).

Certified number2,002-digit prime
Certificatedownload
Certificate chainshow step 10 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069977957 --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":1100000009069977957},"decimal":true,"detail":2}}'