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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 #1100000009071048134 1,614 digits created 2026-08-10

Value

988113366521707424925387460075092621525946049185123982073215036237983352392509209143809274274537197435267841409095559073314470975560121649314531580543142171294230672634762220975716562171872164988045728091368111245177292764733892362207468446412710872934481227564028267381548184223237931931849895437526480581541708762899498245905402819418657803596958764969562807201125021009095892417245710062217460916917434092620903189791835218435184455072614817537174116243659678516405039769599150963773186557928956058145628790336059799529075502791827363963777267631395296213330943589575565858471945715876237854601021356932135912549715985773545382783498834440142308417553151035430102108177438475969644996632169053391998487006797364904707921390353877232343826176578354173623439370556953095567483105766798324449439641800926216037660225394832212163146285485249250186795164034836598653063597786644164419042128917174749184804603835972963052324321952125008493694658522567716361217176930811677896912285501202896760211310042811600247923330849941577073384466224899093822444306069297533961528541010497918412885913321857802160448049686072019438237576763400029805973633789315547980981337409413167595418258472448299135519798469215724904513444049054957293094732282356912767376064306187598175678870765320022004517067599764947592804066694431268066721991443784244735880272020172786794538630916926646129845032163653765112125059070971017595280767357178491233444010703140499200401514397048978230475880095912953501263481669335608216582619407379849830643234948513034114457447635590958495630604111943857372504412215796368752074745327087791022926590731549
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 2,643-digit prime (201 intermediate primes).

Certified number2,643-digit prime
Certificatedownload
Certificate chainshow step 84 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009071048134 --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":1100000009071048134},"decimal":true,"detail":2}}'