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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 #1100000008753399182 2,530 digits created 2026-04-14

Value

8637672013523836033613802016360752411991502526350361955223254731667547689879070392708348383717943349305793401537628917268297772230072592941322427311511092526216820627320104486439624761173392204157486130929775217311085410104256997804250092562656979710279342634902645892110029714732812133881419339381746904576568097710781933619675068961248527612690219199091572668757574397651266919704232582702854442849323321476734889527758374329988269452344517224398410299591436217476214905727308104320242762490662185155053367910234776811273121291200796923903435734809733460203189401552369699806015467900682303339662879499338242188035840871547802786148470095707438307686581363785159784331415459245423255222159229298388924519585103825292165261786426075604787294281205354736691106192854286794186778320820263276030120403851351445899027242035588864740267196260400517321351277432794240603730119246124752415228334886766073489021903396510922839199174878619716490389894774698463332857752303227486106087280085422154104619025944483379736433345896428346535616494119521154615534546977037069886007208709334789252224434939591060419639132764154709342395511059850757676889698046836046942651582349951607852853204298629437168909533598134033844654805105000781842827373882354152615671230045273219201968749926874416319827205956114441703174659829357370343552178492472380250368945118006818439985498419395521107026875829082961275907756531328767268169816285073979601084670628566480911740072278270613846388684816853786935198603657037078384907924709886277592737863651512750339266662716054526528334218000417908984898800787961996748168689232770561420384322924877585971824847991361732412657355529523833441038141793559469175696675504582719740633351846772369210793468807668782186428075848864035919761449613117364193269666407130330860210069566557209684637085622534515160253772099302491904201919066093886931980717846608962025743743733956156521388247673349124517459545193678260490395629871826959869057122674498648190183927109753262553720164846185951519292057801454084953711749226534049384408236599240509825056222221429209936254487597064180315352240400982571219195818896160131922734691227141030304460737279203283811513214018607050086673103629431112481358882876780540708975109720162715489327205054308128149249424273472176733465042268782720190678221903186802621677997176671407904253540229151581023025991448271444169427544483693664651825881831557183704643272540781120790635605998752783902770312186225827073375321708951302529988296319154903929636790228316173539646225304424395800094231149
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 2,746-digit prime (208 intermediate primes).

Certified number2,746-digit prime
Certificatedownload
Certificate chainshow step 19 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008753399182 --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":1100000008753399182},"decimal":true,"detail":2}}'