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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 #1100000008804738412 3,091 digits created 2026-05-13

Value

3873021018550302846794255859106748111848290136158179480659066013095856128032556181020151156541130463281577030746455553334440161632008384581930284033542405920450336032673290299530139960661676846635440417788563088228671245461960236921509667260958382144332454492408649894421357781266210008887185226136783671852452848841469189627254100377307622193944394399894563806802992749782748418469033305143549230015028702083709100896293831310505947506301990570771127311047640212071370574019323263153501744493005957652665731490694213859796320221463776907040156653602762666391782944135958679261615878423241485050619646025508770155982060309806785429413024165930571160069060160042125337448441516160939773085977051692163365534798118295030143844841340437702316045108289843627880544911490563493081883420873077015998704324377257238849893313436173524490857012412247846371725952086740014112927428053153196056453157059040623352887347259957395549674696395658068125702362526280171224207737146525834475539630108076099373510121483390345393036568405691476888690561433670405399829639105220386466544626023776228287267851260793503081696550347134206439577516523184379621390886691020962338412283578318630988456863375032017339925714953528393183520856888137511046161396197745320934783215261364568066916983241705276901303439877687680502179177443844490942605167069705537815564291722694561633288683836686811505389086098406148390235778914657289308895829694267415456856654797113387120344006041662767364094191453981501201950722499925949518448869853801265973347711214502101371171427552303290971016638351731491561039321394573439075066119801680303224705478293768319258449331613600475966347429120749093986724346666925089881157947510442132433938116775335000679910902047160684593402716010952081867704278410410902395596758966587470126986963105045880326812876039256001042331220243591592979054693432004810886312623657682202723501950962089282253714185672200609817558104507200970020558099493553739394800947305208730673760957233024477685493251590893536723362465328567590426611286769844530364944982648100704324329402945795957397345373743792276560598617625370172683394645311532948982803939634323371101103736748019607760089011138997193389902123152326973714579796028420030342640535158152304537948757701347735528819735457588922450293428474882150523658659110858451932704123563885058035497886396175774416782150098344193907476157729427574590123819598017732765216713906410158117924735526558181289731305319222341114065848605606197161833677668637694053522544972367448313928040442091051950152218768280126366066333509873567527843641127738662968128590683456895365421200779520207620843289620434339690741665848103253516095805187706595921530193027254091498850576822150975524983803940619506308561972583387735394959998754093428644975032095723521456767947446050927388568865217301720908059346077991674981937289603931933677176557417796677688826326081878644183398232876369869702985962565128455110790543302330840440719431932951934406460263053098584043893138211718589159748025182093608922647450310825999781813102146945420427981610275329107605985352075569308402877371415771
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 4,113-digit prime (250 intermediate primes).

Certified number4,113-digit prime
Certificatedownload
Certificate chainshow step 68 of 250

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008804738412 --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":1100000008804738412},"decimal":true,"detail":2}}'