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 #1100000009091972747 1,451 digits created 2026-08-18

Value

79372804867258252255758856643504334134441142547216038325467864581612538315305606282755790452644861002177023895904102319628812592475914242171106445467223284048132006156417573486018610523725979029895194131150528439310956627953963653502509038498002279692471506279650134495311498899947762523026862000553055581985623294167372779303589428823786635449987175709763887789282142701629752674967216864443174357827085030112798399561871336181819905895422258310935981049147687404261561874847310360837912298682366977227808948964720459694844012624354367506151573036400483867576080483497115329288082219520732308412931218845247533461144572745690873493394989692200936772120634776944341789978297204066159613539390910223433096202057613173157068609381644744401024090835227476480946876693641787943950434532882166739020177031028440713396901499099680899718584368163522219896290657834139645047344351683698980491049305458771793105067737949912298888589572118787635738181350021209339138619298269250642259146878468048580463683366087977389647927609098670327986982630321422210133380024679179799026002521732022942146566025340797839453105780598433737751613451117978938776472693453335372365679073783712700799837804368760584700518774164194961988843006811141626289410146245460656778176580590025871530937031301187708774819206721714916704939028897462922032462446325983578163506299928244883899266249091368132705048677067805502062598167441428739838309397228778157977235296869672007172560063669
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 2,091-digit prime (169 intermediate primes).

Certified number2,091-digit prime
Certificatedownload
Certificate chainshow step 55 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091972747 --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":1100000009091972747},"decimal":true,"detail":2}}'