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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 #1100000009054270824 1,784 digits created 2026-08-07

Value

19762456531926977110703463456844481001904160611418361286624897449054826480673350947179283300581813516632068565236962393645607180832526925251524293047003646792474686832558927648005861415591922890970465641531152407882450208665331290022423145230000539417761496000315915620774439232525674385779330039424661424714127874015078363021064629858669371673170459191408122926048013442479730344983726195689591865881874263155780076081708820758038821113150176868004179508604927610107374823095488822534785739011424777415648024230847397812569898263996298396232164855074782857050709081700435842126658229175694722162145450624597522642037435371035795191376358605052747955046441853251000345421943355435404621411352877792423127871278690331325449381043713502180756255350927818284303248800238696476581550995110698282973416354200271439017594791273260289019123413124830576688023621102529749946109540788599273018218052151488062673672591291194736094805886702802656439920192338370970157189520118491264598334314579541130304644084985212721578791131113718196839142930316236195463742106590438197074953572909343027245108445925408550797647916109224990182878939007221576053524865641615341527563165637362136361086069867836931393328436289564360837830826263360676253889629327841190022330925844582900735193815543915986018411694669206390708236965422427335123084696102584841015522980047944533663244175011835442829258616817462320614402401191734999803397548183256107140213171315469081991806498742392009197036163704013366635830496869149847351730995102848127139385828826472509193830705752875187767685735178930373958639212072408463829808577482263505945771012210466929834383557561704816671192293910623806407167163815674424470458561972183308517964831423877208141888577244493580157973750657941383637382367705450661279758032538254669549
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 2,580-digit prime (189 intermediate primes).

Certified number2,580-digit prime
Certificatedownload
Certificate chainshow step 64 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054270824 --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":1100000009054270824},"decimal":true,"detail":2}}'