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 #1100000009056978176 1,643 digits created 2026-08-08

Value

64489779168967270340920926545147371098085200252238010500603587564735702162535749974537651702183611166651155710962995503685996448020679855950054732630519860618941409576272184951708239554313986429927807325616439086495976528773877117755322190517625795328214985700188952254667811636996096753502000131068541474153701735008284045548328133597917188182671061590478093529257528875180322040019230538156294666252023613271911357125385789324718992570312793529276217013390873193774484664258014002719322735456735199222296665567647602828331950579405629826450949069309142499480136156433521702005455016026882301412188717836299577629051077516344691738953648323968524494860598726186857177678720158884819193860876882600800696220831477838359932041559748100686254650923886297880250742213601174061471302768608456538377307782078050926769654733282935843028901040690942075596769429271306839566525305133562330418874494994296086971337269338662599794626259455829341845317619433872731298660184430233912062428967983758190605394283614287306639053537368803488830872322804943285789993835327600418895174338570265415655155029343210931604934795542975913168682126622446728114585660750770562898551653438526090018414665621774944476583492179502846640340444543961453635749799288690359239895427747139614955801128405171344590189262662112697469069143921926512520674771931126160521960475105640306443330866853163066096035160789295225366841970919178534083724600652758978536567807991995253425262602593479790161425435661947509742400292125600244456812985602635894949482530290806365101558034494697371629606940905910139576718811863935217270833895103180198871064179969193642618299979738122554614069
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 2,439-digit prime (196 intermediate primes).

Certified number2,439-digit prime
Certificatedownload
Certificate chainshow step 67 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056978176 --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":1100000009056978176},"decimal":true,"detail":2}}'