factordbrpc · fdb
Sign in
>
?

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 #1100000009067938193 2,109 digits created 2026-08-10

Value

256506021000310098125574940182705042676292481078317131900681895376833110878449837831583959742471230206562422239181224927960302568926438413865001757292958726315058208046813024163751941035914536927304539109907232899648919273730540519701247033932015762514508523385504338656701183383996203830801593230538892151200162853596386699575526002707222955348224320122929368003796698602793966222880490276192540085088649863390889886654552186344358029547975996892710494542007588487665807168099323797820918232359004087659013755187127147953802530814864250507251592066683566383859391285177192727390340163664137407424859322346846138647428587767653105425358009540518873103406198045350887395411009178706599766034148470161910678294957251557679691730837514208865826656148537338132677899191820859549947503578776710270193806033343670813187658846584937469408888933316929636965260804510714656689347318137582283197999439673874485297148266093886697217517140559466892368253258601778528767188348706877808863782442226132621350953584396396253161811426845689221151570528148883879832395888395162954964425589506116291922786712095727354889084526289987072938644064470322937178281299097560404540548779977640046344910599145118093325168136604165610163979461440601305445838740163932355692328394822408042972280906079490247962881508584200697096195218222679927113152127129139877207413287112504432421632189353818738891729029198453907968776263276630129564759824341457199752256084580902900895865002660875717147090657090275350979768329575678943612163300809196359290568310638390232083160933467313841857193467091857037591090434628438439441424416439062166401711777892001063828115866968275027917780622935333598636726972227277953483843740916106742838933009411888218086252427868966183099360753349038138073805240749893640101807005062857392091246173896846290430113978515424860422809412411670144855211137984256093792700702102151447867694989491080573165489415801182517284646039107996951073813271241092739648314446883677988070872385833248694915332025182449399630233329690287503649674189088786877921217947348662010655823301029581962156218832636451359512246757669403633363
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 2,638-digit prime (209 intermediate primes).

Certified number2,638-digit prime
Certificatedownload
Certificate chainshow step 47 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067938193 --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":1100000009067938193},"decimal":true,"detail":2}}'