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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 #1100000009053443481 2,482 digits created 2026-08-07

Value

1321738073575153295960991342169273204306075073884944497387393440261827895755439120268418349767928428536915013078459422080602092464617405866070205705864620359949782029837918099027563706907011723882029193893174767418915212529440566292754145194994937619413172062813527524853196566862702613062024568575980144712855511386304063772707799872908615739674304076564581561618002858182670650341523662874385203672117262053018637299284021378387101786470167517395991565679947218758171660751410358983397041754482106962678866858971971800925248834825619787337617590803207218055936329369421511103926873276539573424798649248175604188553830693946225697562069978168070876522373735228669699394842987115793638251804299480693982272820607687643416964121935743456642540419685771461514988781080064069293848689800857425019472053099086305857897060269394111768521627353014932759362995160827321446514893470218227288601476196983487980739999034284642205598382906989341675808029211032638813655722504599732799599287924349073898803566133952390721252894439729103769279928194004823940629389290454042814889715478667854007569847187815584948322995465361170310575328107926655703843345975941789658077945973979583009768740570294125278684170932637285439557176049605870797209333258716070924510987656453673846155568693292983631358226908702002747671881680046327712333973828593295199889000182638220815385678142382029795882808899576753199901435806963202010739426184141745539985724889013244929722086283782007198118919682728994186221977800152597518067074398591670671643851936917398564831454365391917643350201484212992840627354652644839411041977012449526678180948251141426041573847066499620192312259298533205224066073718491773987660906084180802993839868455935884493475240431125836153208794473685900511470553825951234547707753256193742680731140176689345087257728363192226794706179497635007311237797860483100822465782339376274951589094421912470428667660481551334709222403846921916907903225616926099400972785427159455965999336825777956908777581777613910375736573838998395500720844590763126960815261019326605461250450855878865713550481761308371538669474396351052703401082665354926271521484682058572675632421024513206528368168415556197043186977053721250798400159651122274184093000041680692850286443251198473730532332371695554090014978562145428435976701698482037184754636437825946066440448596661083547376679721588377113261360723713894426482040725570889135186928283415588880615645335318719822200728761855692159802390032069192584984794704069601
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 2,853-digit prime (221 intermediate primes).

Certified number2,853-digit prime
Certificatedownload
Certificate chainshow step 30 of 221

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053443481 --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":1100000009053443481},"decimal":true,"detail":2}}'