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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 #1100000008804968745 4,471 digits created 2026-05-13

Value

7148557131310166882914765988295630062530035778801802592744773744790662007500138901632234973472408889878026280833206294985775524696049436110189753317603589263023112707061810981497516283698408857024901101409978570403606148773166636805491713867670626391414371789768749574883215058089373105885185435853551210722371747415760488717508796333295095658239192759217160707676522411107981565834400672368413425591411772415820772976085486774125715781996991814741978823628455397035562646691098871727696534941023405769568087588769940168808202433135135419859685019443123285995369747107598260826352893141761893011127174802278644944660422937181248852069938096122492490334834477300102978572851282434737481151940115414277719738966111761053732628046379637813698804609479714104661308948768146614566637366577746409732719550397471664083310097831730942157942957134474802685410004225553422041612098719636453689653341586379133246253780419518168590019913163733517988054897442727590300000178398319209116966712651148282331124663931045370849618796505976939147181753364410698932027967216608955756408786245735109450477916676485417203948584540079794965933991947261310306782314275859193371351403798694179871309679745730288283978325708468388014288005281852335917699603074336740940871586941307482730843225175770142828965812699681035811102410045952081897602015874650013394341525538353604188962642667928131360473483229629581336370183374638471304020793188226017989424386575916337288221916064876665644434429958067918484102159643594451679876007036648887466579112103405398597579782963562526123297449177610205196946609454234957921227165292438943080416478246465510547778296662762139838078695397065820097281126474043489861491813063385639246183071078798035821404594078464232334435736865358456434784588492433366293289773205513266149236198122540318477113571165225772164977548179242751364796143229012548414241165805812543156232833378624140622516117582339893610845116900446567452341870421958745858495256547270411715815232288961643827511271435884733331908247805920588350868478789329038407517915941473566517724770364744221813421111243006871479616653546284746260023277332152715452585699945090369791003808906345980736622374214354599132840378772704880142647338872829478760555347540646142744909354766262880331235814146685343912398428325111810144221744416337450051940057640184269750769453166731693677871483359706940795769592812937614236918230351980339678730769896454082771855148621942255137906991046407399256869182867094714388298185411121836539051624012042296277013133709810696942628919476324353979894521377793233585575301598517191475330214006206454991571347988821170343468618760524091396763691273554301183672259422972395704497085660459053549567712776788886519860570205540738850040726218688604872636897555541368022631427882779432675944068979952123683493711123581775107372999361574847220275244000007238307098727219840174116500547686339835412757943496836428997797617573845923468943455219425004181835257190114819285233547532742673431468264678967967281462688905485159324183801045308194282834362134805712229939423592019769327709321089344001343113832784424957000901362899843864956719254963683335280961331970210986429174557219620670006799916272926392655722229321718586431749890611439829460269321259664934733394166312750413687276654685437392322221752850729257266045710905206571473112065873788226040985483778150293357601622931800120438120210604482417102582838528470920317937725955102649108343381297107453130341913973843822014852096260772680030084297232793788699163479344403441574872625883330354484560974877192042695945692186137754516656656894651512754452962396188840281710567783093914829647792018454855659275469682307316887660372220571331294511527350117014403677047954202516475582701913067205939146752169853436060722083298507664986534041270139290024048484602503831956036982372815337191666656767318094254460698975480246440028554432493459889313234665309020976277574317687433440664543588395786523398360384932599671499511649656204115453448504715580196640220390524481175080744409150020933135683106349164909049541331066675483495079090457818546839417111729193552505781051775791442901687490566909250889513111668841939684830656207951298123500202732761340798152166665472644004135090060398294631423585643539400645385295738885593557398515078764983744428468827417621766481253159620606591429757163748378659564219631594086992527584838896770621077543451880528348555333735498074285178665519552727886284775150973890515882894781290587965945302326018908837097
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 4,970-digit prime (333 intermediate primes).

Certified number4,970-digit prime
Certificatedownload
Certificate chainshow step 41 of 333

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804968745 --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":1100000008804968745},"decimal":true,"detail":2}}'