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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 #1100000009058005065 1,702 digits created 2026-08-08

Value

1490723130059229018968256207334013722076952070969068346807095785929485783801603875889081944051449858077264901966201064927218422209169327685503921882074606851535294575786048864755602686077658142538672240537409738838743746765897664026629975182392028574968287350242590230414351925091326229467077677439659353377957861984714718596918003005978297588444483778692297136350168490079389893911284897582054969835950264518649352291541997867589182853451515801820825729700795260734881027755237866338893300421743864155554709587298281932958648786808078908160816023087581930707316599641812387483556568609237425033389940223355490292017023750375974641208768602542929876677338466406265019689579410194826695832584053229141376485948103952248775478961444827150107583834127641703351654074462918623160951229332952231599215639516836946106328920074484072566296229584376023416603087681472315245133714827974023873974032638638424452958741736641725593589629788631964669776969430126812722434900324007131435806545821499880330143409303484962769660621619566397192579595396322685592482308033428626353896192387709011789054692588758352216235390214449379600537712685541732260122899434463315684766444397353947279660417142509232453997722237854108059523848236396160696694804345620213291847574799568014357928797731460151451472876170116527611032352433877240404661776129804394741817941256426773859568851247904163349789608037266028109752307465796539635977454211302304608499862546251562169206204404338935221939349936570336595672080906880402075598337445441327044858585844699383897382899038249875312381086392616487742904604899774110581607536206751981909765685768910609852600602667131319360718829469177692021101304458713912651474140149331896416684420997
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 2,255-digit prime (166 intermediate primes).

Certified number2,255-digit prime
Certificatedownload
Certificate chainshow step 40 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058005065 --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":1100000009058005065},"decimal":true,"detail":2}}'